CVE-2022-1508

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-08-31 · updated 2026-06-17
Weakness: CWE-125

Description

An out-of-bounds read flaw was found in the Linux kernel’s io_uring module in the way a user triggers the io_read() function with some special parameters. This flaw allows a local user to read some memory out of bounds.

Affected products

Linux kernel: before 5.15 — fixed in 5.15

How to fix

Upgrade to a fixed version: Linux kernel 5.15. Check the vendor advisory for mitigations.

References

https://access.redhat.com/security/cve/CVE-2022-1508
https://bugzilla.redhat.com/show_bug.cgi?id=2075533
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=89c2b3b74918200e46699338d7bcc19b1ea12110
https://ubuntu.com/security/CVE-2022-1508
https://access.redhat.com/security/cve/CVE-2022-1508
https://bugzilla.redhat.com/show_bug.cgi?id=2075533
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=89c2b3b74918200e46699338d7bcc19b1ea12110
https://ubuntu.com/security/CVE-2022-1508

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