Ubuntu Security Advisories

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Netfilter; - Network traffic control; (CVE-2025-38001, CVE-2025-37997, CVE-2025-37798, CVE-2025-38000, CVE-2025-37932, CVE-2025-37890)

It was discovered that libjxl did not perform proper bounds checking when parsing Exif tags. An attacker could possibly use this issue to cause libjxl to crash, resulting in a denial of service. (CVE-2023-0645) It was discovered that libjxl did not perform proper bounds checking when decoding patches. An attacker could possibly use this issue to cause libjxl to enter an infinite loop, resulting in a denial of service. (CVE-2023-35790) It was discovered that libjxl did not perform proper bounds checking when performing JPEG recompression. An attacker could possibly use this issue to cause libjxl to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2024-11403) It was discovered that libjxl incorrectly handled parsing certain image files. An attacker could possibly use this issue to cause libjxl to consume excessive amounts of memory, resulting in a denial of service. (CVE-2024-11498)

It was discovered that Roundcube Webmail incorrectly handled sanitization in the message_body function. A remote attacker could possibly use this issue to send and receive emails as another user.

USN-7545-1 fixed vulnerabilities in Apport. The update introduced a regression that raised an error if a crashing process was killed while Apport was analyzing it. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Qualys discovered that Apport incorrectly handled metadata when processing application crashes. An attacker could possibly use this issue to leak sensitive information.

It was discovered that GnuTLS incorrectly handled exporting Subject Alternative Name (SAN) entries containing an otherName. A remote attacker could use this issue to cause GnuTLS to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2025-32988) It was discovered that GnuTLS incorrectly handled parsing the Certificate Transparency (CT) Signed Certificate Timestamp (SCT) extension. A remote attacker could use this issue to cause GnuTLS to crash, resulting in a denial of service, or possibly obtain sensitive information. (CVE-2025-32989) It was discovered that the GnuTLS certtool utility incorrectly handled parsing certain template files. An attacker could use this issue to cause GnuTLS to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2025-32990) Stefan Bühler discovered that GnuTLS incorrectly handled parsing certain template files. An attacker could possibly use this issue to cause GnuTLS to crash, resulting in a denial of service. (CVE-2025-6395)

It was discovered that the GNU C Library incorrectly handled the strcmp implementation optimized for Power10 processors. This could cause applications to crash, compute wrong results, or leak confidential information. (CVE-2025-5702) It was discovered that the GNU C Library incorrectly handled the strncmp implementation optimized for Power10 processors. This could cause applications to crash, compute wrong results, or leak confidential information. This issue only affected Ubuntu 25.04. (CVE-2025-5745)

Linus Heckemann discovered that Nix did not correctly handle certain binaries. An attacker could possibly use this issue to execute arbitrary code. (CVE-2024-38531) Pierre-Etienne Meunier discovered that Nix did not correctly handle TLS certificates. A remote attacker could possibly use this issue to leak sensitive information. (CVE-2024-47174) It was discovered that Nix did not correctly handle Unix sockets. An attacker could possibly use this issue execute arbitrary code. This issue only affected Ubuntu 24.04 LTS. (CVE-2024-27297) It was discovered that Nix did not correctly handle unpacking Nix archives (NARS). If a user or automated system were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2024-45593)

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - GPU drivers; - SMB network file system; - Memory management; - Netfilter; - Network traffic control; (CVE-2025-37890, CVE-2024-46787, CVE-2025-37798, CVE-2025-38000, CVE-2025-37932, CVE-2025-38001, CVE-2025-37997, CVE-2024-50047, CVE-2024-53051)

USN-7626-1 fixed vulnerabilities in Git. The updates for CVE-2025-27613 and CVE-2025-46835 caused Gitk and Git GUI to not work properly on Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS, and were disabled in USN-7626-2. The problematic updates for the aforementioned CVEs have now been corrected and reinstated in this update. We apologize for the inconvenience. Original advisory details: Avi Halachmi discovered that Git incorrectly managed file modification constraints with Gitk. An attacker could possibly use this issue to create or write to arbitrary files on the system. (CVE-2025-27613) Avi Halachmi discovered that Git incorrectly handled arguments when invoking the Gitk utility. If a user were tricked into cloning a malicious Git repository, an attacker could possibly use this issue to run arbitrary commands. This issue only affected Ubuntu 24.04 LTS, Ubuntu 24.10, and Ubuntu 25.04. (CVE-2025-27614) Johannes Sixt discovered that Git incorrectly managed file modification constraints with Git GUI. If a user were tricked into editing a file in a malicious Git repository, an attacker could possibly use this issue to create or write to arbitrary files on the system. (CVE-2025-46835) David Leadbeater discovered that Git incorrectly stripped CRLF characters when editing configuration files. An attacker could possibly use this issue to execute arbitrary code. (CVE-2025-48384) David Leadbeater discovered that Git incorrectly handled verification when fetching remote Git repositories. An attacker could possibly use this issue to perform protocol injection, leading to arbitrary code execution. This issue only affected Ubuntu 24.04 LTS, Ubuntu 24.10, and Ubuntu 25.04. (CVE-2025-48385) David Leadbeater discovered that Git incorrectly handled memory with the wincred credential helper. An attacker could possibly use this issue to cause a denial of service. (CVE-2025-48386)

It was discovered that RESTEasy made insufficient use of random values in asynchronous jobs. An attacker could possibly use this issue to steal user data. This issue only affected Ubuntu 14.04 LTS. (CVE-2016-6345) It was discovered that RESTEasy enabled a vulnerable GZIP decompression module by default. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS. (CVE-2016-6346) It was discovered that RESTEasy improperly made use of unsanitized data while handling certain errors. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 14.04 LTS. (CVE-2016-6347) It was discovered that RESTEasy enabled a vulnerable JSON manipulation module by default. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 14.04 LTS. (CVE-2016-6348) It was discovered that RESTEasy enabled a vulnerable deserialization module by default. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 14.04 LTS. (CVE-2016-7050) Nikos Papadopoulos discovered that RESTEasy improperly handled URL encoding when certain errors occur. An attacker could possibly use this issue to modify the app's behavior for other users throughout the network. This issue did not affect resteasy3.0 in Ubuntu 24.04 LTS, Ubuntu 24.10, and Ubuntu 25.04. (CVE-2020-10688) Mirko Selber discovered that RESTEasy improperly validated user input during HTTP response construction. An attacker could possibly use this issue to to cause a denial of service or execute arbitrary code. This issue did not affect resteasy3.0 in Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 24.10, and Ubuntu 25.04. (CVE-2020-1695) It was discovered that RESTEasy improperly handled receiving the WebApplicationException during a client call. An attacker could possibly use this issue to obtain potentially sensitive server information. (CVE-2020-25633) It was discovered that RESTEasy improperly populated exception responses with endpoint class and method names. An attacker could possibly use this issue to obtain potentially sensitive server information. (CVE-2021-20289) It was discovered that RESTEasy used improper permissions when creating temporary files. An attacker could possibly use this issue to get access to sensitive data. (CVE-2023-0482) It was discovered that RESTEasy improperly handled certain HTTP requests containing ASCII control characters. An attacker could possibly use this issue to cause a denial of service. (CVE-2024-9622)

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix UAF in async decryption Doing an async decryption (large read) crashes with a slab-use-after-free way down in the crypto API. In the Linux kernel, the following vulnerability has been resolved: ubifs: authentication: Fix use-after-free in ubifs_tnc_end_commit After an insertion in TNC, the tree might split and cause a node to change its `znode->parent`. In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix usage slab after free In the Linux kernel, the following vulnerability has been resolved: jfs: fix array-index-out-of-bounds in jfs_readdir The stbl might contain some invalid values. In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix out-of-bounds access in 'dcn21_link_encoder_create' An issue was identified in the dcn21_link_encoder_create function where an out-of-bounds access could occur when the hpd_source index was used to reference the link_enc_hpd_regs array. In the Linux kernel, the following vulnerability has been resolved: jffs2: Prevent rtime decompress memory corruption The rtime decompression routine does not fully check bounds during the entirety of the decompression pass and can corrupt memory outside the decompression buffer if the compressed data is corrupted.

USN-7626-1 fixed vulnerabilities in Git. The update introduced a regression in gitk and git-gui. This update reverts the corresponding fixes for CVE-2025-27613 and CVE-2025-46835 pending further investigation. We apologize for the inconvenience. Original advisory details: Avi Halachmi discovered that Git incorrectly managed file modification constraints with Gitk. An attacker could possibly use this issue to create or write to arbitrary files on the system. (CVE-2025-27613) Avi Halachmi discovered that Git incorrectly handled arguments when invoking the Gitk utility. If a user were tricked into cloning a malicious Git repository, an attacker could possibly use this issue to run arbitrary commands. This issue only affected Ubuntu 24.04 LTS, Ubuntu 24.10, and Ubuntu 25.04. (CVE-2025-27614) Johannes Sixt discovered that Git incorrectly managed file modification constraints with Git GUI. If a user were tricked into editing a file in a malicious Git repository, an attacker could possibly use this issue to create or write to arbitrary files on the system. (CVE-2025-46835) David Leadbeater discovered that Git incorrectly stripped CRLF characters when editing configuration files. An attacker could possibly use this issue to execute arbitrary code. (CVE-2025-48384) David Leadbeater discovered that Git incorrectly handled verification when fetching remote Git repositories. An attacker could possibly use this issue to perform protocol injection, leading to arbitrary code execution. This issue only affected Ubuntu 24.04 LTS, Ubuntu 24.10, and Ubuntu 25.04. (CVE-2025-48385) David Leadbeater discovered that Git incorrectly handled memory with the wincred credential helper. An attacker could possibly use this issue to cause a denial of service. (CVE-2025-48386)

It was discovered that YAML-LibYAML incorrectly handled certain file names. An attacker could possibly use this issue to overwrite arbitrary files.

It was discovered that DjVuLibre incorrectly handled certain memory operations. If a user or automated system were tricked into processing a specially crafted DjVu file, a remote attacker could cause applications to stop responding or crash, resulting in a denial of service, or possibly execute arbitrary code.

It was discovered that Protocol Buffers incorrectly handled memory when receiving malicious input using the Python bindings. An attacker could possibly use this issue to cause a denial of service. (CVE-2025-4565) It was discovered that Protocol Buffers incorrectly handled memory when receiving malicious input using the Java bindings. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 25.04. (CVE-2024-7254)

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - InfiniBand drivers; - Netfilter; - Network traffic control; (CVE-2025-38001, CVE-2025-37798, CVE-2025-37932, CVE-2025-37997, CVE-2025-38000, CVE-2025-22088, CVE-2025-37890)

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Netfilter; - Network traffic control; (CVE-2025-38000, CVE-2025-37890, CVE-2025-38001, CVE-2025-37997, CVE-2025-37932)

It was discovered that a use-after-free vulnerability existed in the Bluetooth stack in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-3640) Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - SCSI subsystem; - Network file system (NFS) client; - NILFS2 file system; - File systems infrastructure; - Memory management; - Bluetooth subsystem; - Network traffic control; - USB sound devices; (CVE-2024-50116, CVE-2021-47576, CVE-2024-53197, CVE-2024-46787, CVE-2025-37798, CVE-2024-49958, CVE-2021-47260, CVE-2025-37932, CVE-2022-49909)

It was discovered that the CIFS network file system implementation in the Linux kernel did not properly verify the target namespace when handling upcalls. An attacker could use this to expose sensitive information. (CVE-2025-2312) Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - ARM64 architecture; - PowerPC architecture; - x86 architecture; - Compute Acceleration Framework; - ACPI drivers; - Ublk userspace block driver; - Compressed RAM block device driver; - Bus devices; - AMD CDX bus driver; - Clock framework and drivers; - DMA engine subsystem; - DPLL subsystem; - Qualcomm firmware drivers; - GPIO subsystem; - GPU drivers; - HID subsystem; - IIO subsystem; - InfiniBand drivers; - Multiple devices driver; - Media drivers; - MemoryStick subsystem; - Network drivers; - Mellanox network drivers; - NTB driver; - NVME drivers; - PCI subsystem; - Pin controllers subsystem; - RapidIO drivers; - Voltage and Current Regulator drivers; - Remote Processor subsystem; - SCSI subsystem; - SLIMbus drivers; - QCOM SoC drivers; - VideoCore services drivers; - Thermal drivers; - USB DSL drivers; - USB Host Controller drivers; - Renesas USBHS Controller drivers; - USB Type-C Connector System Software Interface driver; - Virtio Host (VHOST) subsystem; - Framebuffer layer; - ACRN Hypervisor Service Module driver; - W1 Dallas's 1-wire bus driver; - 9P distributed file system; - File systems infrastructure; - Ext4 file system; - JFS file system; - Network file systems library; - Network file system (NFS) client; - Network file system (NFS) server daemon; - NTFS3 file system; - Proc file system; - SMB network file system; - Memory Management; - Key Management; - Memory management; - Scheduler infrastructure; - UProbes tracing; - RDMA verbs API; - SoC audio core drivers; - BPF subsystem; - Perf events; - Kernel fork() syscall; - Tracing infrastructure; - Watch queue notification mechanism; - 802.1Q VLAN protocol; - Asynchronous Transfer Mode (ATM) subsystem; - Bluetooth subsystem; - Networking core; - Devlink API; - IPv4 networking; - IPv6 networking; - Logical Link layer; - Management Component Transport Protocol (MCTP); - Netfilter; - Network traffic control; - SCTP protocol; - Switch device API; - Wireless networking; - eXpress Data Path; - Key management; - ALSA framework; - SoC Audio for Freescale CPUs drivers; (CVE-2025-39728, CVE-2025-22059, CVE-2025-22008, CVE-2025-37932, CVE-2025-22033, CVE-2025-21984, CVE-2025-22063, CVE-2025-22065, CVE-2025-21991, CVE-2025-38479, CVE-2025-21948, CVE-2025-21936, CVE-2025-22038, CVE-2025-21951, CVE-2025-21906, CVE-2025-21924, CVE-2025-21966, CVE-2025-22073, CVE-2025-22020, CVE-2025-21974, CVE-2025-22043, CVE-2025-22088, CVE-2025-21959, CVE-2025-38575, CVE-2025-22035, CVE-2025-23134, CVE-2025-22009, CVE-2025-22010, CVE-2025-21941, CVE-2025-21914, CVE-2025-22066, CVE-2025-22017, CVE-2025-21911, CVE-2025-21928, CVE-2025-21998, CVE-2025-21920, CVE-2025-21961, CVE-2025-21992, CVE-2025-21995, CVE-2025-21997, CVE-2025-22084, CVE-2025-22011, CVE-2025-22039, CVE-2025-21977, CVE-2025-21963, CVE-2025-21981, CVE-2024-53222, CVE-2025-22037, CVE-2025-22070, CVE-2025-21950, CVE-2025-21980, CVE-2025-22023, CVE-2025-38049, CVE-2025-22018, CVE-2025-22072, CVE-2025-22021, CVE-2025-21986, CVE-2025-22019, CVE-2025-22045, CVE-2025-21990, CVE-2025-21926, CVE-2025-39989, CVE-2025-21902, CVE-2025-21946, CVE-2025-21908, CVE-2025-22081, CVE-2025-22042, CVE-2024-58092, CVE-2025-21939, CVE-2025-22086, CVE-2025-21996, CVE-2025-21929, CVE-2025-21947, CVE-2025-21919, CVE-2025-21922, CVE-2023-53034, CVE-2025-22013, CVE-2025-21979, CVE-2025-21968, CVE-2025-22056, CVE-2025-37937, CVE-2025-22047, CVE-2025-21956, CVE-2025-22064, CVE-2025-21903, CVE-2025-22062, CVE-2025-21934, CVE-2025-22050, CVE-2025-21957, CVE-2025-39778, CVE-2025-21970, CVE-2025-21944, CVE-2025-37890, CVE-2025-21945, CVE-2025-22046, CVE-2025-38152, CVE-2025-23138, CVE-2025-39735, CVE-2025-22041, CVE-2025-22083, CVE-2025-21969, CVE-2025-37785, CVE-2025-21967, CVE-2025-21910, CVE-2025-22078, CVE-2025-21915, CVE-2025-22089, CVE-2025-39688, CVE-2025-21923, CVE-2025-22002, CVE-2025-22014, CVE-2025-38240, CVE-2025-21943, CVE-2025-21904, CVE-2025-21893, CVE-2025-21913, CVE-2025-22034, CVE-2025-22015, CVE-2025-21925, CVE-2025-22087, CVE-2025-40114, CVE-2025-21917, CVE-2025-22040, CVE-2025-21989, CVE-2025-21927, CVE-2025-22075, CVE-2025-21912, CVE-2025-38000, CVE-2025-22057, CVE-2025-22025, CVE-2025-22058, CVE-2025-22016, CVE-2025-22027, CVE-2025-22097, CVE-2025-22095, CVE-2025-22007, CVE-2025-22001, CVE-2025-23136, CVE-2025-21982, CVE-2025-21999, CVE-2025-22079, CVE-2025-22055, CVE-2025-22000, CVE-2025-22004, CVE-2025-21964, CVE-2025-38001, CVE-2025-37889, CVE-2025-21909, CVE-2025-38637, CVE-2025-22071, CVE-2025-22044, CVE-2025-22032, CVE-2025-21973, CVE-2025-22003, CVE-2025-21894, CVE-2025-21994, CVE-2025-22080, CVE-2024-58093, CVE-2025-21975, CVE-2025-22054, CVE-2025-37798, CVE-2025-22060, CVE-2025-21955, CVE-2025-22028, CVE-2025-21978, CVE-2025-22090, CVE-2025-22053, CVE-2025-21918, CVE-2025-21962, CVE-2025-22024, CVE-2025-22005, CVE-2025-21935, CVE-2025-21937, CVE-2025-21972, CVE-2025-21916, CVE-2025-37997, CVE-2025-22022, CVE-2025-21905, CVE-2025-22068, CVE-2025-22030, CVE-2025-21930, CVE-2025-21960)

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Netfilter; - Network traffic control; (CVE-2025-38001, CVE-2025-37997, CVE-2025-37798, CVE-2025-38000, CVE-2025-37932, CVE-2025-37890)