Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: kunit/overflow: Fixed the UB in overflowallocationtest. The 'devicename' array does not exist outside the 'overflowallocationtest' function scope. However, it is used as a driver name when calling 'kunitdrivercreate' from...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Do not crash in stacktop for tasks without vDSO Not all tasks have a vDSO mapped; for example, kthreads never have one. If such a task ever calls stacktop, it will dereference the NULL vdso pointer and crash. This can...

Rocky Linux 9.6 [TuxCare] Security Update: kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1791800936)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1791800936 advisory. - In the Linux kernel, the following vulnerability has been resolved: kunit: Fix potential null dereference in kunitdevicedriverte...

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: MIPS: Do not crash in stacktop for tasks without an ABI or vDSO Not all tasks have an ABI associated with them, or a vDSO mapped to them. For example, kthreads never have such an ABI. If such a task calls stacktop, it will...

CVE-2026-64223 wifi: mac80211: consume only present negotiated TTLM maps

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: consume only present negotiated TTLM maps ieee80211tidtolinkmapsizeok validates negotiated TTLM elements against the number of link-map entries indicated by linkmappresence. ieee80211parsenegttlm must consume the...

CVE-2026-64163

In the Linux kernel, the following vulnerability has been resolved: testkprobes: clear kprobes between test runs Running the kprobes sanity tests twice makes all tests fail and eventually crashes the kernel. root@martin-riscv-1 echo 1 /sys/kernel/debug/kunit/kprobestest/run ... Totals: pass:5...

CVE-2026-64163 test_kprobes: clear kprobes between test runs

In the Linux kernel, the following vulnerability has been resolved: testkprobes: clear kprobes between test runs Running the kprobes sanity tests twice makes all tests fail and eventually crashes the kernel. root@martin-riscv-1 echo 1 /sys/kernel/debug/kunit/kprobestest/run ... Totals: pass:5...

CVE-2026-64163: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: testkprobes: clear kprobes between test runs Running the kprobes sanity tests twice makes all tests fail and eventually crashes the kernel. root@martin-riscv-1 echo 1 /sys/kernel/debug/kunit/kprobestest/run ... Totals: pass:5...

UBUNTU-CVE-2026-46289

In the Linux kernel, the following vulnerability has been resolved: lib/scatterlist: fix length calculations in extractkvectosg Patch series "Fix bugs in extractitertosg", v3. Fix bugs in the kvec and user variants of extractitertosg. This series is growing due to useful remarks made by...

CVE-2026-46289 lib/scatterlist: fix length calculations in extract_kvec_to_sg

In the Linux kernel, the following vulnerability has been resolved: lib/scatterlist: fix length calculations in extractkvectosg Patch series "Fix bugs in extractitertosg", v3. Fix bugs in the kvec and user variants of extractitertosg. This series is growing due to useful remarks made by...

CVE-2026-46289 lib/scatterlist: fix length calculations in extract_kvec_to_sg

In the Linux kernel, the following vulnerability has been resolved: lib/scatterlist: fix length calculations in extractkvectosg Patch series "Fix bugs in extractitertosg", v3. Fix bugs in the kvec and user variants of extractitertosg. This series is growing due to useful remarks made by...

CVE-2026-46289

In the Linux kernel, CVE-2026-46289 concerns bugs in lib/scatterlist during extract_kvec_to_sg when transferring data from a kvec to a sglist. The main issues: (1) the computed length for a sglist entry can exceed the page size, causing overread; (2) while extracting a user buffer, the sglist can...

PT-2026-47361

Name of the Vulnerable Software and Affected Versions Linux kernel versions 6.3 through 6.5 Description Issues exist in the extract kvec to sg function within the scatterlist library. When extracting from a kvec to a scatterlist, the length for an sglist entry can exceed the number of bytes in th...

EUVD-2026-32410

In the Linux kernel, the following vulnerability has been resolved: mm/slab: return NULL early from kmallocnolock in NMI on UP On UP kernels !CONFIGSMP, spintrylock is a no-op that unconditionally succeeds even when the lock is already held. As a result, kmallocnolock called from NMI context can...

PT-2026-43902

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description On Uniprocessor UP kernels where CONFIG SMP is not enabled, the spin trylock function acts as a no-op and succeeds unconditionally, even if the lock is already held. This allows alloc...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: landlock: Fixed the warning from KUnit tests getidrange expects a positive value as its first argument, but getrandomu8 may return 0. This issue was fixed by clamping the value. The fix was validated by running the test 1,000...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/tests: helpers: Avoid a driver UAF When using drmkunithelperallocdrmdevice, the driver may be referenced by device-managed resources until the device is freed. This typically happens later than when the kunit-managed resource...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: kunit: fixed the reference count leak in kfreeatend The reference counting issue occurs during the normal execution of kfreeatend. When kunitallocandgetresource is called, the function fails to properly handle the returned resour...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: lib/crypto: arm64/poly1305 – Fixed register corruption in no-SIMD contexts. The SIMD usability check, which was removed with the commit a59e5468a921, has been restored. “crypto: arm64/poly1305 – Added a block-only interface.” Thi...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: kunit/fortify: Fixed incorrect usage of kvalloc/vfree. The kv family of functions were accidentally freed with vfree instead of using kvfree. Please use kvfree instead...