Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

RHSA-2026:15883 Red Hat Security Advisory: kernel security update

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CVE-2026-43500 rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present The DATA-packet handler in rxrpcinputcallevent and the RESPONSE handler in rxrpcverifyresponse copy the skb to a linear one before calling into the security o...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-017401)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017401 advisory. In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags MSGSPLICEPAGES can attach pages from a pipe...

SUSE SLES15 Security Update : kernel (SUSE-SU-2026:1778-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1778-1 advisory. The SUSE Linux Enterprise 15 SP7 RT kernel was updated to fix the following issue: This fixes the DirtyFrag issues: - CVE-2026-43284: xfrm: esp...

SUSE-SU-2026:1790-1 Security update for the Linux Kernel (Live Patch 70 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise kernel 4.12.14-122.266 fixes various security issues The following security issues were fixed: - CVE-2025-38375: virtio-net: ensure the received length does not exceed allocated size bsc1258073. - CVE-2026-23004: dst: fix races in rt6uncachedlistdel and...

SUSE CVE-2026-43198

In the Linux kernel, the following vulnerability has been resolved: tcp: fix potential race in tcpv6synrecvsock Code in tcpv6synrecvsock after the call to tcpv4synrecvsock is done too late. After tcpv4synrecvsock, the child socket is already visible from TCP ehash table and other cpus might use i...

Unbreakable Enterprise kernel security update: Dirty Frag

5.4.17-2136.354.4.3 - xfrm: esp: avoid in-place decrypt on shared skb frags Kuan-Ting Chen Orabug: 39342682 CVE-2026-43284...

Unbreakable Enterprise kernel security update: Dirty Frag

5.15.0-319.201.4.6 - xfrm: esp: ipv4: fix up flags setting Greg Kroah-Hartman Orabug: 39342679 CVE-2026-43284 - xfrm: esp: avoid in-place decrypt on shared skb frags Kuan-Ting Chen Orabug: 39342679 CVE-2026-43284 5.15.0-319.201.4.5 - iommu/arm-smmu-v3: Handle zeroed A4-2C HTTU override settings...

Unbreakable Enterprise kernel security update: Dirty Frag

6.12.0-201.74.2.3 - rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present Hyunwoo Kim Orabug: 39342689 CVE-2026-43500 - rxrpc: Fix conn-level packet handling to unshare RESPONSE packets David Howells Orabug: 39342689 - rxrpc: only handle RESPONSE during service challenge Wang Jie...

EUVD-2026-28743

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: fix use-after-free on linked stream runtime in sndpcmdrain In the drain loop, the local variable 'runtime' is reassigned to a linked stream's runtime runtime = s-runtime at line 2157. After releasing the stream lock at...

CVE-2026-43336 lib/crypto: chacha: Zeroize permuted_state before it leaves scope

In the Linux kernel, the following vulnerability has been resolved: lib/crypto: chacha: Zeroize permutedstate before it leaves scope Since the ChaCha permutation is invertible, the local variable 'permutedstate' is sufficient to compute the original 'state', and thus the key, even after the...

CVE-2025-71298 drm/tests: shmem: Hold reservation lock around madvise

In the Linux kernel, the following vulnerability has been resolved: drm/tests: shmem: Hold reservation lock around madvise Acquire and release the GEM object's reservation lock around calls to the object's madvide operation. The tests use drmgemshmemmadviselocked, which led to errors such as show...

Security update for the Linux Kernel (Live Patch 12 for SUSE Linux Enterprise 15 SP6)

This update for the SUSE Linux Enterprise kernel 6.4.0-150600.23.53 fixes various security issues The following security issues were fixed: CVE-2025-38375: virtio-net: ensure the received length does not exceed allocated size bsc1258073. CVE-2025-39977: futex: Prevent use-after-free during...

SUSE-SU-2026:1767-1 Security update for the Linux Kernel (Live Patch 71 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise kernel 4.12.14-122.269 fixes various security issues The following security issues were fixed: - CVE-2026-23004: dst: fix races in rt6uncachedlistdel and rtdeluncachedlist bsc1258655. - CVE-2026-23204: net/sched: clsu32: use skbheaderpointercareful...

RHSA-2026:14823 Red Hat Security Advisory: kernel security update

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CVE-2026-43284

In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags MSGSPLICEPAGES can attach pages from a pipe directly to an skb. TCP marks such skbs with SKBFLSHAREDFRAG after skbsplicefromiter, so later paths that may modify packet data ca...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-016776)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016776 advisory. uos server/sys/kernel/notes KASLR Tenable has extracted the preceding description block directly from the Unity Linux security advisory. Note that Nessus has not...

Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: xfrm: esp: avoid in-place decrypt on shared skb frags CVE-2026-43284 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other related...