Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Bluetooth: MGMT: Fix possible UAFs CVE-2025-39981 kernel: ima: don't clear IMADIGSIG flag when setting or removing non-IMA xattr CVE-2025-68183 kernel: ALSA: firewire-motu: fix buffer...

ALSA-2026:21706 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Bluetooth: MGMT: Fix possible UAFs CVE-2025-39981 kernel: ima: don't clear IMADIGSIG flag when setting or removing non-IMA xattr CVE-2025-68183 kernel: ALSA: firewire-motu: fix buffer...

PT-2026-44324

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak occurs in the drm/xe component when the xe gem prime import function is called. Specifically, if the xe dma buf init obj function fails, the attachment created by dma buf...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the lack of prohibition for private IOCTL commands in the atomic ISP driver, potentially leading ...

Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: proc: use the same treatment to check proclseek as ones for procreaditer et.al CVE-2025-38653 kernel: ima: don't clear IMADIGSIG flag when setting or removing non-IMA xattr CVE-2025-68183...

UBUNTU-CVE-2026-45999

In the Linux kernel, the following vulnerability has been resolved: erofs: fix unsigned underflow in zerofslz4handleoverlap Some crafted images can have illegal !partialdecoding && mllen out access reads past the decompressedpages array. However, such crafted cases can correctly result in a...

UBUNTU-CVE-2026-46020

In the Linux kernel, the following vulnerability has been resolved: mm/damon/core: validate damosquotagoal-nid for nodememused,freebp Patch series "mm/damon/core: validate damosquotagoal-nid". nodememcgused,freebp DAMOS quota goals receive the node id. The node id is used for simeminfonode and...

CVE-2026-46100 fs: afs: revert mmap_prepare() change

In the Linux kernel, the following vulnerability has been resolved: fs: afs: revert mmapprepare change Partially reverts commit 9d5403b1036c "fs: convert most other genericfilemmap users to .mmapprepare". This is because the .mmap invocation establishes a refcount, but .mmapprepare is called at a...

CVE-2026-46096 tpm2-sessions: Fix missing tpm_buf_destroy() in tpm2_read_public()

In the Linux kernel, the following vulnerability has been resolved: tpm2-sessions: Fix missing tpmbufdestroy in tpm2readpublic tpm2readpublic calls tpmbufinit but fails to call tpmbufdestroy on two exit paths, leaking a page allocation: 1. When namesize returns an error unrecognized hash algorith...

CVE-2026-46086 net: bridge: use a stable FDB dst snapshot in RCU readers

In the Linux kernel, the following vulnerability has been resolved: net: bridge: use a stable FDB dst snapshot in RCU readers Local FDB entries can be rewritten in place by fdbdeletelocal, which updates f-dst to another port or to NULL while keeping the entry alive. Several bridge RCU readers...

CVE-2026-46000 rxrpc: Fix conn-level packet handling to unshare RESPONSE packets

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix conn-level packet handling to unshare RESPONSE packets The security operations that verify the RESPONSE packets decrypt bits of it in place - however, the skbuff may be shared with a packet sniffer, which would lead to...

CVE-2026-45927

The CVE-2026-45927 issue affects the Linux kernel BPF subsystem. bpf_map_get_info_by_fd caches the hash of a map regardless of its frozen state, enabling a TOCTOU where a trusted loader could compare an older hash after a map is modified but before freezing. The fix returns -EPERM when the hash i...

CVE-2026-45903

CVE-2026-45903 concerns the Linux kernel where the BPF verifier memory-access flag handling in helper prototypes was incorrect. After a verifier refactor, several helpers using ARG_PTR_TO_MEM lacked MEM_RDONLY or MEM_WRITE, causing the verifier to incorrectly assume buffers were unchanged across ...

RHSA-2026:21209 Red Hat Security Advisory: kernel security update

Bulletin has no description...

kernel: proc: use the same treatment to check proc_lseek as ones for proc_read_iter et.al

In the Linux kernel, the following vulnerability has been resolved: proc: use the same treatment to check proclseek as ones for procreaditer et.al Check pde-procops-proclseek directly may cause UAF in rmmod scenario. It's a gap in procregopen after commit 654b33ada4ab"proc: fix UAF in...

PT-2026-43737

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description Memory leaks occur in the SUNRPC auth gss component during XDR decoding error paths. The functions gssx dec ctx, gssx dec status, and gssx dec name allocate memory using gssx dec buffer,...

CLSA-2026-1779200965 Fix CVE(s): CVE-2026-31532, CVE-2026-46300, CVE-2026-46333

CVE-2026-46333 - ptrace: require CAPSYSPTRACE when task has no mm CVE-2026-46300 - net: skbuff: propagate shared-frag marker through copy/coalesce/gro/shift paths CVE-2026-31532 - can: raw: fix ro-uniq use-after-free in rawrcv CVE-2026-31532...

Unbreakable Enterprise kernel security update: Fragnesia

6.12.0-202.76.4.4 - net: skbuff: propagate shared-frag marker through frag-transfer helpers Hyunwoo Kim Orabug: 39420559 CVE-2026-46300 - net: skbuff: preserve shared-frag marker during coalescing William Bowling Orabug: 39420559...

OESA-2026-2417 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved:mm/mempolicy: fix migratetonode assuming there is at least one VMA in a MMWe currently assume that there is at least one VMA in a MM, which isn ttrue.So we might...

OESA-2026-2415 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: driver core: platform: use generic driveroverride infrastructure When a driver is probed through driverattach, the bus' match callback is called without the devi...