SUSE-SU-2026:4586-1 Security update for the Linux Kernel (Live Patch 85 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise Kernel 4.12.14-122.320 fixes various security issues: The following security issues were fixed: - CVE-2026-63888: scsi: target: iscsi: Fix CRC overread and double-free in iscsithandletextcmd bsc1272391. - CVE-2026-63920: ipv6: validate extension header...

PT-2026-106613

In the Linux kernel, the following vulnerability has been resolved: netlink: do not free nlk-groups while lockless readers can use it netlink realloc groups uses krealloc under netlink table grab. Whenever NLGRPSZgroups lands in a different kmalloc bucket, the old bitmap is freed immediately. Two...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ALSA: In the seq function, there is a issue where closing a timer that was re-opened within the destructor may cause issues. The queuedelete function closes the timer and frees it. The sndseqtimerclose function clears...

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

In the Linux kernel, the following vulnerability has been resolved: In the ftrace function, a potential warning was fixed in traceprintkseq during ftracedump. When ftracedumpone is called concurrently with reading from tracepipe, a WARNONONCE message can be triggered due to a race condition. The...

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

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fixed possible data races in gfs2showoptions Some fields such as gtlogdsecs of the struct gfs2tune are accessed without holding the lock gtspin in gfs2showoptions: val = sdp-sdtune.gtlogdsecs; if val != 30 seqprintfs,...

PT-2026-98604

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A Use-After-Free UAF issue exists in the IPv6 implementation. The function ipv6 route iter active incorrectly identifies a walker in the FWS U state at the table root as already unlinked...

Linux Distros Unpatched Vulnerability : CVE-2026-90220

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ALSA: seq: Don't leak the extension cell pointer in the bounce payload The bounceerrorevent embeds the failed event in the bounce payload by pointing data.ext.p...

CVE-2026-90220

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Don't leak the extension cell pointer in the bounce payload The bounceerrorevent embeds the failed event in the bounce payload by pointing data.ext.ptr at it. When that event is a queued variable-length event, its own...

DEBIAN-CVE-2026-90220

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Don't leak the extension cell pointer in the bounce payload The bounceerrorevent embeds the failed event in the bounce payload by pointing data.ext.ptr at it. When that event is a queued variable-length event, its own...

DEBIAN-CVE-2026-90207

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: midi: Serialize input teardown with eventinput sndmidiinputevent must not be running while a rawmidi substream is closing, since this can lead to the trigger state becoming out-of-step through this sequence in...

EUVD-2026-81813

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Don't leak the extension cell pointer in the bounce payload The bounceerrorevent embeds the failed event in the bounce payload by pointing data.ext.ptr at it. When that event is a queued variable-length event, its own...

CVE-2026-90220 ALSA: seq: Don't leak the extension cell pointer in the bounce payload

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Don't leak the extension cell pointer in the bounce payload The bounceerrorevent embeds the failed event in the bounce payload by pointing data.ext.ptr at it. When that event is a queued variable-length event, its own...

CVE-2026-90220 ALSA: seq: Don't leak the extension cell pointer in the bounce payload

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Don't leak the extension cell pointer in the bounce payload The bounceerrorevent embeds the failed event in the bounce payload by pointing data.ext.ptr at it. When that event is a queued variable-length event, its own...

CVE-2026-90220

CVE-2026-90220 is a kernel pointer leak in the Linux kernel's ALSA: seq subsystem. The function bounce_error_event() embeds a failed event into the bounce payload by pointing data.ext.ptr at it. For queued variable-length events, this pointer holds the kernel address of the first extension cell (...

kernel: netfilter: conntrack: tcp: do not force CLOSE on invalid-seq RST without direction check

A flaw was found in the Linux kernel's netfilter conntrack TCP state machine. A remote attacker can exploit this vulnerability by sending a specially crafted sequence of TCP Transmission Control Protocol packets, specifically a SYN synchronize packet followed by an RST reset packet with an invali...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Fixed a mismatch in the function prototype in sndseqexpandvarevent. With Clang’s Kernel Control Flow Integrity kCFI, CONFIGCFICLANG, indirect call targets are validated against the expected function pointer prototype t...

Astra Linux – Vulnerability in Linux

The fs/seqfile.c file in the Linux kernel versions 3.16 through 5.13.x, prior to 5.13.4, does not properly restrict seq buffer allocations. This results in an integer overflow, an Out-of-bounds Write, and an escalation of privileges to the root user by an unprivileged user, identified as...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: flowlabel: defer exclusive option free until RCU teardown The ip6flseqshow function iterates through the global flowlabel hash under the seq-file. It uses a RCU read-side lock and prints fl-opt-optnflen whenever an...

Linux Distros Unpatched Vulnerability : CVE-2026-89705

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nfsd: restore rqstatuscounter to even on all nfsddispatch exit paths nfsddispatch sets rqstatuscounter to an odd value once a request has been decoded, and back...

UBUNTU-CVE-2026-89705

In the Linux kernel, the following vulnerability has been resolved: nfsd: restore rqstatuscounter to even on all nfsddispatch exit paths nfsddispatch sets rqstatuscounter to an odd value once a request has been decoded, and back to an even value once it has been fully processed, forming a seq-loc...