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

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...

PT-2025-42274

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.17.0-rc1+ Description The Linux kernel contains a use-after-free flaw within the rtw89 core component. Specifically, the issue occurs in the rtw89 core tx kick off and wait function when accessing already freed...

net: allow small head cache usage with large MAX_SKB_FRAGS values

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OESA-2025-2004 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: net: allow small head cache usage with large MAXSKBFRAGS values Sabrina reported the following splat: WARNING: CPU: 0 PID: 1 at net/core/dev.c:6935...

OESA-2025-2003 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: net: allow small head cache usage with large MAXSKBFRAGS values Sabrina reported the following splat: WARNING: CPU: 0 PID: 1 at net/core/dev.c:6935...

OESA-2025-2002 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: net: allow small head cache usage with large MAXSKBFRAGS values Sabrina reported the following splat: WARNING: CPU: 0 PID: 1 at net/core/dev.c:6935...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: net: Allow for small head cache usage with large MAXSKBFRAGS values. Sabrina reported the following error: WARNING: CPU: 0 PID: 1 at net/core/dev.c:6935 netifnapiaddweightlocked+0x8f2/0xba0 Modules linked in: CPU: 0 UID: 0 PID...

SUSE CVE-2025-21868

In the Linux kernel, the following vulnerability has been resolved: net: allow small head cache usage with large MAXSKBFRAGS values Sabrina reported the following splat: WARNING: CPU: 0 PID: 1 at net/core/dev.c:6935 netifnapiaddweightlocked+0x8f2/0xba0 Modules linked in: CPU: 0 UID: 0 PID: 1 Comm...

DEBIAN-CVE-2025-21868

In the Linux kernel, the following vulnerability has been resolved: net: allow small head cache usage with large MAXSKBFRAGS values Sabrina reported the following splat: WARNING: CPU: 0 PID: 1 at net/core/dev.c:6935 netifnapiaddweightlocked+0x8f2/0xba0 Modules linked in: CPU: 0 UID: 0 PID: 1 Comm...

AZL-62639 CVE-2025-21868 affecting package kernel for versions less than 6.6.117.1-1

In the Linux kernel, the following vulnerability has been resolved: net: allow small head cache usage with large MAXSKBFRAGS values Sabrina reported the following splat: WARNING: CPU: 0 PID: 1 at net/core/dev.c:6935 netifnapiaddweightlocked+0x8f2/0xba0 Modules linked in: CPU: 0 UID: 0 PID: 1 Comm...

CVE-2025-21868 net: allow small head cache usage with large MAX_SKB_FRAGS values

In the Linux kernel, the following vulnerability has been resolved: net: allow small head cache usage with large MAXSKBFRAGS values Sabrina reported the following splat: WARNING: CPU: 0 PID: 1 at net/core/dev.c:6935 netifnapiaddweightlocked+0x8f2/0xba0 Modules linked in: CPU: 0 UID: 0 PID: 1 Comm...

CVE-2025-21868

CVE-2025-21868 affects the Linux kernel networking path that manages small head cache and large MAX_SKB_FRAGS values. The issue arises when a specific revert and page-frag allocator behavior causes a splat in netif_napi_add_weight_locked during initialization, with the root cause tied to the smal...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: net: use a bounce buffer for copying skb-mark syzbot found arm64 builds would crash in sockrecvmark when CONFIGHARDENEDUSERCOPY=y x86 and powerpc are not detecting the issue because they define useraccessbegin. This will be handl...

SUSE CVE-2023-52701

In the Linux kernel, the following vulnerability has been resolved: net: use a bounce buffer for copying skb-mark syzbot found arm64 builds would crash in sockrecvmark when CONFIGHARDENEDUSERCOPY=y x86 and powerpc are not detecting the issue because they define useraccessbegin. This will be handl...

DEBIAN-CVE-2023-52701

In the Linux kernel, the following vulnerability has been resolved: net: use a bounce buffer for copying skb-mark syzbot found arm64 builds would crash in sockrecvmark when CONFIGHARDENEDUSERCOPY=y x86 and powerpc are not detecting the issue because they define useraccessbegin. This will be handl...