CVE-2026-63824

7.8 Élevée

Publiée le 19/07/2026 à 14:16 · Modifiée le 22/10/2026 à 20:22 · Analysée par le NVD · Source : 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Description

In the Linux kernel, the following vulnerability has been resolved: KEYS: fix overflow in keyctl_pkey_params_get_2() The length for the internal output buffer is calculated incorrectly, which can result overflow when a too small buffer is provided. Fix the bug by allocating internal output with the size of the maximum length of the cryptographic primitive instead of caller provided size.

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Produits concernés

Linux
Linux linux kernel

Scores CVSS

Version	Score	Source	Vecteur
3.1	7.8 Élevée	416baaa9-dc9f-4396-8d5f-8c081fb06d67	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`

Faiblesses (CWE)

CWE-787

Références

https://git.kernel.org/stable/c/0f3058d7d26f81df9b68a18ddbe164bdc3c5eff3 Patch
https://git.kernel.org/stable/c/5165f1cc727f1322456735df212d8e26ec237a8d Patch
https://git.kernel.org/stable/c/5966e4e2ba213ab7ad559166152eb4f1f170dd2c Patch
https://git.kernel.org/stable/c/622ec2dcd59f21623f2a7ab773c80ceb7d555e3a Patch
https://git.kernel.org/stable/c/670fc6a311ed321522b7fff92cf0fc376b4f6e78 Patch
https://git.kernel.org/stable/c/b11c1fa32667692a2c0566e10163758e786e430c Patch
https://git.kernel.org/stable/c/b1e247338bc71826a2d2def3e0874c34749df69a Patch
https://git.kernel.org/stable/c/cb481e59ea6cae3b7796ac1d7a22b6b24c3f3c0b Patch

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories