CVE-2026-43497 fbdev: udlfb: add vm_ops to dlfb_ops_mmap to prevent use-after-free

In the Linux kernel, the following vulnerability has been resolved: fbdev: udlfb: add vmops to dlfbopsmmap to prevent use-after-free dlfbopsmmap uses remappfnrange to map vmalloc framebuffer pages to userspace but sets no vmops on the VMA. This means the kernel cannot track active mmaps. When...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: e1000e: Changing usleeprange to udelay in PHY mdic access. This is a partial revert of commit 6dbdd4de0362 “e1000e: Workaround for sporadic MDI errors on Meteor Lake systems”. The referenced commit used usleeprange within the PHY...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: iouring/zcrx: fixed the race condition between the scrub and refill paths involving userrefs The iozcrxputniovuref function uses a non-atomic check-then-decrement pattern atomicread followed by an atomicdec to manipulate...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: crypto: API – Use a work queue in cryptoDestroyInstance. The function cryptoDropSpawn is expected to be called from the process context. However, when an instance is not registered while it still has active users, the last user m...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: SELinux: The use of both GFPKERNEL and GFPATOMIC in convertcontext was enabled. The following warning was triggered in a hardware environment: SELinux: Converting 162 SID table entries... BUG: The sleeping function was called...

Astra Linux – Vulnerability in Linux, Linux 5.10

There is a bug in /net/nfc/netlink.c that allows an attacker to crash the Linux kernel by simulating an NFC device from user-space...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: octeontx2-pf: Fixed the use of GFPKERNEL in atomic contexts for rt. The commit 4af1b64f80fb “octeontx2-pf: Fixed the lmtst ID used in aurafree” uses get/putcpu to protect the usage of percpu pointers in the -aurafreeptr...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: Avoid using GFPKERNEL in an atomic context. Using GFPKERNEL in a preemption-disabled context may cause the following warning when CONFIGDEBUGATOMICSLEEP is enabled. 32.542271 BUG: A sleeping function was called from...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: add a check for dpuplaneatomicprintstate to ensure valid sspp. Similar to the rpipe sspp protection, a check is added to prevent printing of the pipe’s state when it is dumped without a corresponding atomiccheck. Thi...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: Avoid corrupting the page-mapping in hugetlbmcopyatomicpte. In the MCOPYATOMICCONTINUE case with a non-shared VMA, the pages in the page cache are stored in the ptes. However, hugepageaddnewanonrmap is called for thes...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: Errors in error pointers were fixed in dpuplanevirtualatomiccheck. The function dpuplanevirtualatomiccheck was referencing pointers returned by drmatomicgetplanestate, without checking for errors. This could lead to...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: Fixed kernel address leakage in atomic fetch The change in commit 37086bfdc737 “bpf: Propagates stack bounds to registers in atomic operations with BPFFETCH” regarding the handling of checkmemaccess is flawed. This flaw allo...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: i2c: core: Perform atomic i2c transfers when !preemptible is set. Since bae1d3a05a8b, i2c transfers are not atomic if preemption is disabled. However, non-atomic i2c transfers require preemption e.g., during waitforcompletion, wh...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ext4: Fix deadlock due to corruption of mbcache entries When manipulating xattr blocks, a deadlock can occur due to infinite loops within ext4xattrblockset. In this process, we continuously try to reuse xattr blocks for mbcache,...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: dm-crypt, dm-verity: Disable tasklets Tasklets have an inherent problem with memory corruption. The taskletactioncommon function calls tasklettrylock, then it calls the tasklet callback, and then it calls taskletunlock. If the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/i915: The issue of NULL pointer dereferencing was addressed by checking newcrtcstate. intelatomicgetnewcrtcstate may return NULL, unless the crtc state was previously obtained using intelatomicgetcrtcstate. Therefore, we must...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: slab: Avoid race conditions in allocslabobjexts. If two competing threads enter allocslabobjexts, and one of them fails to allocate the object extension vector, it may override the valid slab-objexts allocated by the other thread...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: Fixed a null pointer panic in the tracepoint of replaceatomicwriteblock. A kernel panic occurs when oldaddr is NULL. https://bugzilla.kernel.org/showbug.cgi?id=217266 BUG: Null pointer dereferencing in the kernel; address:...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: Flush the inode if the atomic file is aborted. We need to flush the inode that was aborted during the atomic operation, to avoid stale dirty inodes during eviction in this call stack: f2fsmarkinodedirtysync+0x22/0x40 f2f...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fixed a DRM panic due to a null pointer when the driver does not support atomic operations. When the driver does not support atomic operations, fb uses plane-fb instead of plane-state-fb. Cherry-picked from commit...