SUSE-SU-2026:21361-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 16.0 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-39998: scsi: target: targetcoreconfigfs: Add length check to avoid buffer overflow bsc1252073. - CVE-2025-40253: s390/ctcm: Fix double-kfree bsc1255084. -...

EUVD-2026-23816

In the Linux kernel, the following vulnerability has been resolved: net: skb: fix cross-cache free of KFENCE-allocated skb head SKBSMALLHEADCACHESIZE is intentionally set to a non-power-of-2 value e.g. 704 on x8664 to avoid collisions with generic kmalloc bucket sizes. This ensures that...

CVE-2026-31429

In the Linux kernel, the following vulnerability has been resolved: net: skb: fix cross-cache free of KFENCE-allocated skb head SKBSMALLHEADCACHESIZE is intentionally set to a non-power-of-2 value e.g. 704 on x8664 to avoid collisions with generic kmalloc bucket sizes. This ensures that...

CVE-2026-31429 net: skb: fix cross-cache free of KFENCE-allocated skb head

In the Linux kernel, the following vulnerability has been resolved: net: skb: fix cross-cache free of KFENCE-allocated skb head SKBSMALLHEADCACHESIZE is intentionally set to a non-power-of-2 value e.g. 704 on x8664 to avoid collisions with generic kmalloc bucket sizes. This ensures that...

CVE-2026-31429

In the Linux kernel, the following vulnerability has been resolved: net: skb: fix cross-cache free of KFENCE-allocated skb head SKBSMALLHEADCACHESIZE is intentionally set to a non-power-of-2 value e.g. 704 on x8664 to avoid collisions with generic kmalloc bucket sizes. This ensures that...

CVE-2026-31429

Summary (supported): CVE-2026-31429 affects the Linux kernel, specifically a KFENCE interaction that caused a cross-cache free of KFENCE-allocated skb heads. The root cause was that kfence_ksize() could return the exact allocation size, leading to skb_end_offset matching SKB_SMALL_HEAD_HEADROOM a...

CVE-2026-31429 net: skb: fix cross-cache free of KFENCE-allocated skb head

In the Linux kernel, the following vulnerability has been resolved: net: skb: fix cross-cache free of KFENCE-allocated skb head SKBSMALLHEADCACHESIZE is intentionally set to a non-power-of-2 value e.g. 704 on x8664 to avoid collisions with generic kmalloc bucket sizes. This ensures that...

Linux Distros Unpatched Vulnerability : CVE-2026-31429

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: skb: fix cross-cache free of KFENCE-allocated skb head SKBSMALLHEADCACHESIZE is intentionally set to a non-power-of-2 value e.g. 704 on x8664 to avoid...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the skbkfreehead function potentially releasing objects allocated with KFENCE to the wrong cache,...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007423)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007423 advisory. In the Linux kernel, the following vulnerability has been resolved: atl1c: Work around the DMA RX overflow issue This is based on alx driver commit 881d0327db37 net:...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007512)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007512 advisory. In the Linux kernel, the following vulnerability has been resolved: ppp: associate skb with a device at tx Syzkaller triggered flow dissector warning with the...

kernel: net/sched: cls_u32: use skb_header_pointer_careful()

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: use skbheaderpointercareful skbheaderpointer does not fully validate negative @offset values. Use skbheaderpointercareful instead. GangMin Kim provided a report and a repro fooling u32classify: BUG: KASAN:...

EUVD-2026-21943

In the Linux kernel, the following vulnerability has been resolved: net: bonding: fix use-after-free in bondxmitbroadcast bondxmitbroadcast reuses the original skb for the last slave determined by bondislastslave and clones it for others. Concurrent slave enslave/release can mutate the slave list...

CVE-2026-31419

In the Linux kernel, the following vulnerability has been resolved: net: bonding: fix use-after-free in bondxmitbroadcast bondxmitbroadcast reuses the original skb for the last slave determined by bondislastslave and clones it for others. Concurrent slave enslave/release can mutate the slave list...

Linux Distros Unpatched Vulnerability : CVE-2026-31419

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: bonding: fix use-after-free in bondxmitbroadcast bondxmitbroadcast reuses the original skb for the last slave determined by bondislastslave and clones it f...

CLSA-2026-1775831524 Fix of 8 CVEs

CVE-2024-56640 - net/smc: fix LGR and link use-after-free issue CVE-2024-56640 CVE-2026-23209 - macvlan: fix error recovery in macvlancommonnewlink CVE-2026-23209 CVE-2026-23193 - scsi: target: iscsi: Fix use-after-free in iscsitdecsessionusagecount CVE-2026-23193 CVE-2026-23204 - net/sched:...

CLSA-2026-1775657929 kernel: Fix of 9 CVEs

ovl: Filter invalid inodes with missing lookup function CVE-2024-56570 - ALSA: aloop: Fix racy access at PCM trigger CVE-2026-23191 - media: imon: reorganize serialization CVE-2025-39993 - usb: xhci: Fix inverted ringxrunevent check in handletxevent CVE-2025-37882 - Revert "VFS: Impose ordering...

CLSA-2026-1775655363 kernel: Fix of 9 CVEs

ovl: Filter invalid inodes with missing lookup function CVE-2024-56570 - ALSA: aloop: Fix racy access at PCM trigger CVE-2026-23191 - media: imon: reorganize serialization CVE-2025-39993 - usb: xhci: Fix inverted ringxrunevent check in handletxevent CVE-2025-37882 - Revert "VFS: Impose ordering...

kernel: Linux kernel: Use-after-free in BPF sockmap can lead to denial of service and privilege escalation

A flaw was found in the Linux kernel's BPF Berkeley Packet Filter sockmap subsystem. A race condition exists where the sksocket is not properly locked or referenced during the skbsendsock function call, allowing for a use-after-free vulnerability. This can be exploited by a local attacker, leadin...

kernel: ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr()

In the Linux kernel, the following vulnerability has been resolved: ipv6: BUG in pskbexpandhead as part of calipsoskbuffsetattr There exists a kernel oops caused by a BUGONnhead INTMAX i.e. intskbheadroomskb + lendelta skbheadroomskb is meant to ensure that delta = headroom - skbheadroomskb is...