CVE-2022-40476
MEDIUM
5.5
CVSS Score
Published: September 14, 2022 at 08:06 PM UTC
Updated: June 17, 2026 at 05:01 AM UTC
1 product affected across 1 vendorLinux Kernel
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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 5.15.62
Affected range stops below 5.15.62, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/fs/io_uring.c?h=v5.15.61&id=3746d62ecf1c872a520c4866118edccb121c44fdx_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.62CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-476
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