CVE-2023-53113

Published: May 2, 2025

Modified: May 23, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: fix NULL-ptr deref in offchan check If, e.g. in AP mode, the link was already created by userspace but not activated yet, it has a chandef but the chandef isn't valid and has no channel. Check for this and ignore this link.

Vendor	Product	Versions
Linux	Linux	affected `7b0a0e3c3a88260b6fcb017e49f198463aa62ed1 - < 87e80ea4fbc9ce2f2005905fdbcd38baaa47463a` affected `7b0a0e3c3a88260b6fcb017e49f198463aa62ed1 - < 201a836c2385fdd2b9d0a8e7737bba5b26f1863a` affected `7b0a0e3c3a88260b6fcb017e49f198463aa62ed1 - < f624bb6fad23df3270580b4fcef415c6e7bf7705` affected `7a53ad13c09150076b7ddde96c2dfc5622c90b45` affected `5.19.2 - < 5.20`
Linux	Linux	affected `6.0` unaffected `0 - < 6.0` unaffected `6.1.21 - <= 6.1.` unaffected `6.2.8 - <= 6.2.` unaffected `6.3 - <= *`

References

https://git.kernel.org/stable/c/87e80ea4fbc9ce2f2005905fdbcd38baaa47463a

https://git.kernel.org/stable/c/201a836c2385fdd2b9d0a8e7737bba5b26f1863a

https://git.kernel.org/stable/c/f624bb6fad23df3270580b4fcef415c6e7bf7705

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CVE-2023-53113

Description

Affected Products

References