CVE-2021-44879

תיאור (מקור, אנגלית)

In gc_data_segment in fs/f2fs/gc.c in the Linux kernel before 5.16.3, special files are not considered, leading to a move_data_page NULL pointer dereference.

מדדים

CVSS 3.1

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

EPSS — סבירות ניצול

1% (אחוזון 100) נכון ל-14/10/2026

CWE

CWE-476

מוצרים מושפעים

linux: linux kernel

קישורים

• https://bugzilla.kernel.org/show_bug.cgi?id=215231 ExploitIssue TrackingVendor Advisory
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.3 Mailing ListVendor Advisory
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=‮… Mailing ListPatchVendor Advisory
• https://bugzilla.kernel.org/show_bug.cgi?id=215231 ExploitIssue TrackingVendor Advisory
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.3 Mailing ListVendor Advisory
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=‮… Mailing ListPatchVendor Advisory
• https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
• https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html
• https://lore.kernel.org/linux-f2fs-devel/20211206144421.3735-3-chao%40kernel.o‮…
• https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html