CVEvulnerability
CVE-2022-40476
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-09-14
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-476
Description
A null pointer dereference issue was discovered in fs/io_uring.c in the Linux kernel before 5.15.62. A local user could use this flaw to crash the system or potentially cause a denial of service.
Affected configurations
• linux linux kernel (< 5.15.62)
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/fs/io_uring.c?h=v5.15.61&id=3746d62ecf1c872a520c4866118edccb121c44fd Patch, Vendor Advisory
- https://lore.kernel.org/lkml/CAO4S-mdVW5GkODk0+vbQexNAAJZopwzFJ9ACvRCJ989fQ4A6Ow%40mail.gmail.com/ lore.kernel.org
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.62 Release Notes, Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/fs/io_uring.c?h=v5.15.61&id=3746d62ecf1c872a520c4866118edccb121c44fd Patch, Vendor Advisory
- https://lore.kernel.org/lkml/CAO4S-mdVW5GkODk0+vbQexNAAJZopwzFJ9ACvRCJ989fQ4A6Ow%40mail.gmail.com/ lore.kernel.org
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.62 Release Notes, Vendor Advisory