CVE-2023-53113
published 2025-05-02CVE-2023-53113: 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…
PriorityP418medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.16%
5.9th percentile
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.
Affected
13 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.1.25-1 (bookworm) | linux 6.1.25-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | — | — |
| linux | linux | >= 5.19.2 < 5.20 | 5.20 |
| linux | linux | >= 7b0a0e3c3a88260b6fcb017e49f198463aa62ed1 < 87e80ea4fbc9ce2f2005905fdbcd38baaa47463a | 87e80ea4fbc9ce2f2005905fdbcd38baaa47463a |
| linux | linux | >= 7b0a0e3c3a88260b6fcb017e49f198463aa62ed1 < 201a836c2385fdd2b9d0a8e7737bba5b26f1863a | 201a836c2385fdd2b9d0a8e7737bba5b26f1863a |
| linux | linux | >= 7b0a0e3c3a88260b6fcb017e49f198463aa62ed1 < f624bb6fad23df3270580b4fcef415c6e7bf7705 | f624bb6fad23df3270580b4fcef415c6e7bf7705 |
| linux | linux_kernel | — | — |
| linux | linux_kernel | >= 0 < 6.1.25-1 | 6.1.25-1 |
| linux | linux_kernel | >= 0 < 6.1.25-1 | 6.1.25-1 |
| linux | linux_kernel | >= 0 < 6.1.25-1 | 6.1.25-1 |
| linux | linux_kernel | >= 5.19.2 < 6.1.21 | 6.1.21 |
| linux | linux_kernel | >= 6.2 < 6.2.8 | 6.2.8 |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
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Red Hat
kernel: wifi: nl80211: fix NULL-ptr deref in offchan check
vendor_redhat·2025-05-02·CVSS 5.5
CVE-2023-53113 [MEDIUM] CWE-476 kernel: wifi: nl80211: fix NULL-ptr deref in offchan check
kernel: wifi: nl80211: fix NULL-ptr deref in offchan check
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.
A flaw was found in the cfg80211 module in the Linux kernel. In Access Point (AP) mode, if a wireless link is created by userspace but not yet activated, it may contain an invalid channel definition with no channel. This issue may cause a NULL pointer dereference that results in a denial of service.
Statement: This issue has been fixed in Red Hat Enterprise Linux 8.9 and 9.3 via RHSA-2023:7077 [1] and RHSA-2023:6583 [2], respec
Debian
CVE-2023-53113: linux - In the Linux kernel, the following vulnerability has been resolved: wifi: nl802...
vendor_debian·2023·CVSS 5.5
CVE-2023-53113 [MEDIUM] CVE-2023-53113: linux - In the Linux kernel, the following vulnerability has been resolved: wifi: nl802...
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.
Scope: local
bookworm: resolved (fixed in 6.1.25-1)
bullseye: resolved
forky: resolved (fixed in 6.1.25-1)
sid: resolved (fixed in 6.1.25-1)
trixie: resolved (fixed in 6.1.25-1)
GHSA
GHSA-g3wq-cg32-6xwx: In the Linux kernel, the following vulnerability has been resolved:
wifi: nl80211: fix NULL-ptr deref in offchan check
If, e
ghsa_unreviewed·2025-05-02
CVE-2023-53113 [MEDIUM] CWE-476 GHSA-g3wq-cg32-6xwx: In the Linux kernel, the following vulnerability has been resolved:
wifi: nl80211: fix NULL-ptr deref in offchan check
If, e
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.
OSV
CVE-2023-53113: In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: fix NULL-ptr deref in offchan check If, e
osv·2025-05-02·CVSS 5.5
CVE-2023-53113 [MEDIUM] CVE-2023-53113: In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: fix NULL-ptr deref in offchan check If, e
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.
No detection rules found.
No public exploits indexed.
2025-05-02
Published