VulnerabilityModified
CVE-2022-40476
A local user could use this flaw to crash the system or potentially cause a denial of service.
MEDIUM 5.5EPSS 0.31%
Does this matter?
Lower severity and a low EPSS score (0.31%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.31% probability · 24th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- linux/linux kernel
- Source
- cve@mitre.org
References
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/fs/io_uring.c?h=v5.15.61&id=3746d62ecf1c872a520c4866118edccb121c44fdPatch, Vendor Advisory
- https://lore.kernel.org/lkml/CAO4S-mdVW5GkODk0+vbQexNAAJZopwzFJ9ACvRCJ989fQ4A6Ow%40mail.gmail.com/
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.62Release 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=3746d62ecf1c872a520c4866118edccb121c44fdPatch, Vendor Advisory
- https://lore.kernel.org/lkml/CAO4S-mdVW5GkODk0+vbQexNAAJZopwzFJ9ACvRCJ989fQ4A6Ow%40mail.gmail.com/
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.62Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.