CVE-2026-98243 dma-buf/dma-fence: fix checking signaling bit for timeline and driver name v3

In the Linux kernel, the following vulnerability has been resolved: dma-buf/dma-fence: fix checking signaling bit for timeline and driver name v3 The patch "dma-buf: dma-fence: Fix potential NULL pointer dereference" changed the check to test for the ops pointer instead of the signaled bit to avo...

CVE-2026-98243

A vulnerability exists in the Linux kernel 's dma-buf/dma-fence component. A previous patch intended to prevent a NULL pointer dereference by testing the ops pointer instead of the signaled bit inadvertently removed RCU protection for many dma_fence implementations. This loss of protection can le...

Rocky Linux 9 [CIQ] Security Update: kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (crlsa-2025_8333)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20258333 advisory. kernel: Use after Free in grusetcontextoption leading to kernel panic CVE-2022-3424 kernel: ndisc: use RCU protection in ndiscallocskb CVE-2025-21764 Tenab...

Rocky Linux 10.0 [CIQ] Security Update: kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (crlsa-2025_10371)

The Rocky Linux 10.0 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202510371 advisory. kernel: ipv6: mcast: extend RCU protection in igmp6send CVE-2025-21759 kernel: x86/microcode/AMD: Fix out-of-bounds on systems with CPU-less NUMA nodes...

Rocky Linux 8 [CIQ] Security Update: kernel-rt / kernel-rt-core / kernel-rt-debug / kernel-rt-debug-core / etc Multiple Vulnerabilities (crlsa-2025_13590)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202513590 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. The kernel-...

CentOS Linux 8.4 [TuxCare] Security Update: bpftool / kernel / kernel-core / kernel-cross-headers / etc Multiple Vulnerabilities (CENTOS8.4:CLSA-2026:1787571818)

The CentOS Linux 8.4 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS8.4:CLSA-2026:1787571818 advisory. - In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: add RCU protection to mldnewpack mldnewpack can b...

CentOS Linux 8.5 [TuxCare] Security Update: bpftool / kernel / kernel-core / kernel-cross-headers / etc Multiple Vulnerabilities (CENTOS8.5:CLSA-2026:1787572220)

The CentOS Linux 8.5 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS8.5:CLSA-2026:1787572220 advisory. - In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: add RCU protection to mldnewpack mldnewpack can b...

EUVD-2026-82053

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix potential UAF when reading bpf link info In bpflinkshowfdinfo and bpflinkgetinfobyfd, link-prog is accessed without holding any locks. If the prog is concurrently replaced via bpflinkupdate, the old prog can be freed,...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: procfs: Fixed a missing RCU protection when reading realparent in dotaskstat. When reading /proc/pid/stat, dotaskstat accesses task-realparent without proper RCU protection. This leads to the following sequence of events: cpu 0 c...

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

In the Linux kernel, the following vulnerabilities have been resolved: - ndisc: RCU protection was added to ndiscallocskb. - ndiscallocskb can be called without holding RTNL or RCU. RCU protection was added to avoid potential Use-after-Free UAF vulnerabilities...

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

In the Linux kernel, the following vulnerabilities have been resolved: ipv6: Fixed a potential race condition in fib6 Droppcpufrom. syzbot detected a race condition in fib6 Droppcpufrom 1. If the compiler reads the value more than once ppcpurt, the second reading might result in NULL, especially ...

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

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftables: Fixed a potential data race in nftobjtypeget. The function nftunregisterobj can occur concurrently with nftobjtypeget. There is no protection when iterating over the nftablesobjects list in nftobjtypeget...

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

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: fixed a race condition in mptcppmdeladdtimer The mptcppmdeladdtimer function can call skstoptimersyncsk, &entry-addtimer. It is reported that there might already be a free entry, as reported by syzbot. Added RCU...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ipv6: mcast: added RCU protection to mldnewpack The mldnewpack function can be called without holding RTNL or RCU. It should be noted that we can no longer use sockallocsendskb, because ipv6.igmpsk relies on GFPKERNEL...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv4: Use RCU protection in iprtupdatepmtu. iprtupdatepmtu must use RCU protection to ensure that the network structure it reads does not disappear...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mt76: Fixed a use-after-free by removing a non-RCU wcid pointer. This fix addresses an issue detected by KASAN regarding use-after-free in mt76txqschedule. This was done by protecting mtxq-wcid with rculock between...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: atm: lec: fixed a use-after-free in sockdefreadable There is a race condition between lecatmclose, which sets priv-lecd to NULL, and concurrent access to priv-lecd in sendtolecd, lechandlebridge, and lecatmsend. When the socke...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: dm: don't attempt to queue IO under RCU protection dm looks up the table for IO based on the request type, with an assumption that if the request is marked REQNOWAIT, it's fine to attempt to submit that IO while under RCU read lo...

CVE-2026-89708

In the Linux kernel, the following vulnerability has been resolved: nfsd: RCU-protect clcbsession to fix use-after-free on session teardown After a DESTROYSESSION the per-session teardown path can free a session while rpciod still holds an inflight callback rpctask that dereferences...

AZL-100898 CVE-2026-89709 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: lockd, nfsd: RCU-protect nlmsvcops dispatch nlmsvcops is published by nfsdlockdinit and cleared by nfsdlockdshutdown with plain stores, while lockd dereferences it unguarded from dispatch sites in fs/lockd/svcsubs.c. The pointer...