CVE-2023-53209
published 2025-09-15CVE-2023-53209: In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211_hwsim: Fix possible NULL dereference In a call to…
PriorityP418medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.14%
4.1th percentile
In the Linux kernel, the following vulnerability has been resolved:
wifi: mac80211_hwsim: Fix possible NULL dereference
In a call to mac80211_hwsim_select_tx_link() the sta pointer might
be NULL, thus need to check that it is not NULL before accessing it.
Affected
13 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.1.52-1 (bookworm) | linux 6.1.52-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | >= 86e74a08fecb59985bb2d5fe3e96dc108822a420 < d0124848c7940aba73492e282506b32a13f2e30e | d0124848c7940aba73492e282506b32a13f2e30e |
| linux | linux | >= 86e74a08fecb59985bb2d5fe3e96dc108822a420 < a8a20fed3e05b3a6866c5c58855deaf3c217ccd6 | a8a20fed3e05b3a6866c5c58855deaf3c217ccd6 |
| linux | linux | >= 86e74a08fecb59985bb2d5fe3e96dc108822a420 < 0cc80943ef518a1c51a1111e9346d1daf11dd545 | 0cc80943ef518a1c51a1111e9346d1daf11dd545 |
| linux | linux_kernel | < 6.1.42 | 6.1.42 |
| linux | linux_kernel | >= 0 < 6.1.52-1 | 6.1.52-1 |
| linux | linux_kernel | >= 0 < 6.4.11-1 | 6.4.11-1 |
| linux | linux_kernel | >= 0 < 6.4.11-1 | 6.4.11-1 |
| linux | linux_kernel | >= 6.2 < 6.4.7 | 6.4.7 |
| msrc | cbl2_kernel_5.15.186.1-1_on_cbl_mariner_2.0 | — | — |
| msrc | cbl2_kernel_5.15.200.1-1_on_cbl_mariner_2.0 | — | — |
| msrc | cbl2_kernel_5.15.202.1-1_on_cbl_mariner_2.0 | — | — |
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_msrc5.5MEDIUM
vendor_redhat5.5MEDIUM
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Red Hat
kernel: wifi: mac80211_hwsim: Fix possible NULL dereference
vendor_redhat·2025-09-15·CVSS 5.5
CVE-2023-53209 [MEDIUM] CWE-476 kernel: wifi: mac80211_hwsim: Fix possible NULL dereference
kernel: wifi: mac80211_hwsim: Fix possible NULL dereference
In the Linux kernel, the following vulnerability has been resolved:
wifi: mac80211_hwsim: Fix possible NULL dereference
In a call to mac80211_hwsim_select_tx_link() the sta pointer might
be NULL, thus need to check that it is not NULL before accessing it.
Package: kernel (Red Hat Enterprise Linux 10) - Not affected
Package: kernel (Red Hat Enterprise Linux 6) - Out of support scope
Package: kernel (Red Hat Enterprise Linux 7) - Out of support scope
Package: kernel-rt (Red Hat Enterprise Linux 7) - Out of support scope
Package: kernel (Red Hat Enterprise Linux 8) - Out of support scope
Package: kernel-rt (Red Hat Enterprise Linux 8) - Out of support scope
Package: kernel-rt (Red Hat Enterprise Linux 9) - Fix deferred
Microsoft
wifi: mac80211_hwsim: Fix possible NULL dereference
vendor_msrc·2025-09-09·CVSS 5.5
CVE-2023-53209 [MEDIUM] CWE-476 wifi: mac80211_hwsim: Fix possible NULL dereference
wifi: mac80211_hwsim: Fix possible NULL dereference
Mariner: Mariner
Linux: Linux
Customer Action Required: Yes
Debian
CVE-2023-53209: linux - In the Linux kernel, the following vulnerability has been resolved: wifi: mac80...
vendor_debian·2023·CVSS 5.5
CVE-2023-53209 [MEDIUM] CVE-2023-53209: linux - In the Linux kernel, the following vulnerability has been resolved: wifi: mac80...
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211_hwsim: Fix possible NULL dereference In a call to mac80211_hwsim_select_tx_link() the sta pointer might be NULL, thus need to check that it is not NULL before accessing it.
Scope: local
bookworm: resolved (fixed in 6.1.52-1)
bullseye: resolved
forky: resolved (fixed in 6.4.11-1)
sid: resolved (fixed in 6.4.11-1)
trixie: resolved (fixed in 6.4.11-1)
GHSA
GHSA-4929-6x76-2xpw: In the Linux kernel, the following vulnerability has been resolved:
wifi: mac80211_hwsim: Fix possible NULL dereference
In a call to mac80211_hwsim_
ghsa_unreviewed·2025-09-15
CVE-2023-53209 [MEDIUM] CWE-476 GHSA-4929-6x76-2xpw: In the Linux kernel, the following vulnerability has been resolved:
wifi: mac80211_hwsim: Fix possible NULL dereference
In a call to mac80211_hwsim_
In the Linux kernel, the following vulnerability has been resolved:
wifi: mac80211_hwsim: Fix possible NULL dereference
In a call to mac80211_hwsim_select_tx_link() the sta pointer might
be NULL, thus need to check that it is not NULL before accessing it.
OSV
CVE-2023-53209: In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211_hwsim: Fix possible NULL dereference In a call to mac80211_hwsim_se
osv·2025-09-15·CVSS 5.5
CVE-2023-53209 [MEDIUM] CVE-2023-53209: In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211_hwsim: Fix possible NULL dereference In a call to mac80211_hwsim_se
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211_hwsim: Fix possible NULL dereference In a call to mac80211_hwsim_select_tx_link() the sta pointer might be NULL, thus need to check that it is not NULL before accessing it.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2025-09-15
Published