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bdu:2026-14044

BELL-CVE-2026-53213

Affected: Alpaquita:23: linux-lts, Alpaquita:25: linux-lts, Alpaquita:stream: linux-lts

certfr-2026-avi-0812 — De multiples vulnérabilités ont été découvertes dans Microsoft Azure Linux. Elles permettent à un attaquant de provoque…

certfr-2026-avi-0812

EUVD-2026-330089

fkie_cve-2026-53213

In the Linux kernel, the following vulnerability has been resolved:

drm/vc4: fix krealloc() memory leak

Don't just overwrite the original pointer passed to krealloc() with its return value without checking latter:

MEM = krealloc(MEM, SZ, GFP);

If krealloc() returns NULL, that erases the pointer to the still allocated memory, hence leaks this memory. Instead, use a temporary variable, check it's not NULL and only then assign it to the original pointer:

TMP = krealloc(MEM, SZ, GFP); if (!TMP) return; MEM = TMP;

While on it, use krealloc_array().

GHSA-3886-873f-6xpf

In the Linux kernel, the following vulnerability has been resolved:

drm/vc4: fix krealloc() memory leak

Don't just overwrite the original pointer passed to krealloc() with its return value without checking latter:

MEM = krealloc(MEM, SZ, GFP);

TMP = krealloc(MEM, SZ, GFP); if (!TMP) return; MEM = TMP;

While on it, use krealloc_array().

msrc_CVE-2026-53213 — drm/vc4: fix krealloc() memory leak

msrc_CVE-2026-53213

openSUSE-SU-2026:21555-1 — Security update for the Linux Kernel

Security update for the Linux Kernel

SUSE-SU-2026:23066-1 — Security update for the Linux Kernel

Security update for the Linux Kernel

UBUNTU-CVE-2026-53213

Affected: Ubuntu:Pro:14.04:LTS: linux-azure, Ubuntu:Pro:16.04:LTS: linux-aws-hwe, Ubuntu:Pro:16.04:LTS: linux-azure, Ubuntu:Pro:16.04:LTS: linux-gcp, Ubuntu:Pro:16.04:LTS: linux-hwe, Ubuntu:16.04:LTS: linux-hwe-edge, Ubuntu:Pro:16.04:LTS: linux-oracle, Ubuntu:Pro:18.04:LTS: linux, Ubuntu:Pro:18.04:LTS: linux-aws, Ubuntu:18.04:LTS: linux-aws-5.0 and 248 more

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: fix krealloc() memory leak Don't just overwrite the original pointer passed to krealloc() with its return value without checking latter: MEM = krealloc(MEM, SZ, GFP); If krealloc() returns NULL, that erases the pointer to the still allocated memory, hence leaks this memory. Instead, use a temporary variable, check it's not NULL and only then assign it to the original pointer: TMP = krealloc(MEM, SZ, GFP); if (!TMP) return; MEM = TMP; While on it, use krealloc_array().

WID-SEC-W-2026-2077 — Linux Kernel: Mehrere Schwachstellen

Ein entfernter Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um Sicherheitsvorkehrungen zu umgehen, einen Denial-of-Service-Zustand herbeizuführen und weitere, nicht näher spezifizierte Auswirkungen zu erzielen.