CVE-2026-74748: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: fix refcount race between list:set GC and swap ipsetputbyindex resolved the index to a set pointer under RCU, then took ipsetreflock in ipsetput to decrement set-ref. ipsetswap holds that same lock while swappin...

PT-2026-82115

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A reference count leak occurs in the L2TP module when userspace closes /proc/net/pppol2tp or /sys/kernel/debug/l2tp/tunnels before reaching the end-of-file. The iteration state,...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098949)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098949 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: guard against EA inode refcount underflow in xattr update syzkaller found a path where...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-104593)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-104593 advisory. In the Linux kernel, the following vulnerability has been resolved: net: fibrules: Don't dump dying fibrule in fibrulesdump. rockerrouterfibevent calls fibruleget...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098811)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098811 advisory. In the Linux kernel, the following vulnerability has been resolved: xfrm: always flush state and policy upon NETDEVUNREGISTER event syzbot is reporting that struct...

SUSE CVE-2026-74405

In the Linux kernel, the following vulnerability has been resolved: OPP: Fix race between OPP addition and lookup A race exists between devpmoppadddynamic and devpmoppfindfreqexact: CPU0 add CPU1 lookup ------------------------------- ------------------------------ oppadd mutexlock...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftflowoffload: resetting dst in the route object after setting up a flow. The dst field is now transferred to the flow object, and the route object no longer owns it. Resetting dst in the route object is necessary;...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: The pin mechanism for the upper rpcclnt across the TLS-connected connectworker. The TLS connection process involves a use-after-free: Nothing pinning the upper rpcclnt occurs during the delayed connectworker. The xsconnec...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Fix potential AB/BA lock issue with buffermutex and mmaplock The syzbot tool detected a potential deadlock between the runtime-buffermutex and the mm-mmaplock. This issue arose due to the recent fix related to racy...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ASoC: mediatek: mt8192-mt6359: Fixed error handling in mt8192mt6359devprobe. The devicenode pointer is returned by ofparsephandle, with the refcount incremented. We should use ofnodeput on it after returning the pointer. This...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ASoC: atmel: Fixed error handling in sndprotoprobe. The devicenode pointer is returned by ofparsephandle, with the refcount incremented. We should use ofnodeput on it after that operation. This function only calls ofnodeput in th...

Astra Linux - Vulnerability in linux-5.10

In the Linux kernel, the following vulnerability has been resolved: ipmi: Fix user refcount underflow in event delivery ipmiallocrecvmsguser takes the temporary user reference owned by the receive message, and ipmifreerecvmsg releases it. If event delivery fails after allocating receive messages...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: In tcpconnrequest, do not call reqskfastopenremove. The syzbot reported the following issue in tcpconnrequest: 0 If a listener is closed while a TFO socket is being processed in tcpconnrequest, inetcskreqskqueueadd does not set...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix refcnt handling in inethashconnect. syzbot reported a warning in sknullsdelnodeinitrcu. The commit 66b60b0c8c4a "dccp/tcp: Unhash sk from ehash for tb2 alloc failure after checkestalblished." tried to fix an issue that a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net: watchdog: fix refcount tracking races The responsible commit changed the uncorrected calls to devhold/devput in the watchdog code to use the corrected devholdtrack/devputtrack functions which were later renamed to...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: AppArmor: Fixed a refcount leak when updating the skctx. Currently, the updateskctx function transfers the plabel reference. Unfortunately, this also。 Ideally, we would make the callers conditionally transfer the reference based ...

SUSE CVE-2026-74630

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent in6devget from resurrecting inet6dev in6devget reads dev-ip6ptr under RCU and then unconditionally increments its refcount. Device teardown can clear the pointer and drop the last reference between these operations...

SUSE CVE-2026-74714

In the Linux kernel, the following vulnerability has been resolved: bpf: tcp: Fix use-after-free in bpfitertcpestablishedbatch reqskqueuehashreq publishes a TCPNEWSYNRECV requestsock onto the ehash chain, drops the bucket lock, and only afterwards sets rskrefcnt to 3. Lockless readers such as...

AZL-97275 CVE-2026-74730 affecting package kernel for versions less than 6.6.152.1-1

In the Linux kernel, the following vulnerability has been resolved: NFS: Pin the 'struct nfsserver' during a FREESTATEID call Dan Aloni reports that he was able to hit a use-after-free bug if a FREESTATEID operation gets delayed for whatever reason. Fix this by bumping the refcount of the 'struct...

CVE-2026-74714

In the Linux kernel, the following vulnerability has been resolved: bpf: tcp: Fix use-after-free in bpfitertcpestablishedbatch reqskqueuehashreq publishes a TCPNEWSYNRECV requestsock onto the ehash chain, drops the bucket lock, and only afterwards sets rskrefcnt to 3. Lockless readers such as...