CVE-2024-42314

תיאור (מקור, אנגלית)

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix extent map use-after-free when adding pages to compressed bio At add_ra_bio_pages() we are accessing the extent map to calculate 'add_size' after we dropped our reference on the extent map, resulting in a use-after-free. Fix this by computing 'add_size' before dropping our extent map reference.

מדדים

CVSS 3.1

7.8 (HIGH) מקור הציון: NVD CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS — סבירות ניצול

0% (אחוזון 000) נכון ל-6/8/2026

CWE

CWE-416

מוצרים מושפעים

debian: debian linux; linux: linux kernel

קישורים

• https://git.kernel.org/stable/c/8e7860543a94784d744c7ce34b78a2e11beefa5c Patch
• https://git.kernel.org/stable/c/b7859ff398b6b656e1689daa860eb34837b4bb89 Patch
• https://git.kernel.org/stable/c/c1cc3326e27b0bd7a2806b40bc48e49afaf951e7 Patch
• https://git.kernel.org/stable/c/c205565e0f2f439f278a4a94ee97b67ef7b56ae8 Patch
• https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html Mailing ListThird Party Advisory