cbcvebase.
CVE-2025-21909
published 2025-04-01

CVE-2025-21909: In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: reject cooked mode if it is set along with other flags It is possible to set…

PriorityP419medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.16%
5.2th percentile
In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: reject cooked mode if it is set along with other flags It is possible to set both MONITOR_FLAG_COOK_FRAMES and MONITOR_FLAG_ACTIVE flags simultaneously on the same monitor interface from the userspace. This causes a sub-interface to be created with no IEEE80211_SDATA_IN_DRIVER bit set because the monitor interface is in the cooked state and it takes precedence over all other states. When the interface is then being deleted the kernel calls WARN_ONCE() from check_sdata_in_driver() because of missing that bit. Fix this by rejecting MONITOR_FLAG_COOK_FRAMES if it is set along with other flags. Found by Linux Verification Center (linuxtesting.org) with Syzkaller.

Affected

26 ranges· showing 25
VendorProductVersion rangeFixed in
debianlinux< linux 6.1.133-1 (bookworm)linux 6.1.133-1 (bookworm)
debianlinux-6.1< linux 6.1.133-1 (bookworm)linux 6.1.133-1 (bookworm)
linuxlinux
linuxlinux>= 66f7ac50ed7cc5c19a62bc97e8f6e7891004a03a < 5ea856d93794c4afa5542defd8c61f2708dc245a5ea856d93794c4afa5542defd8c61f2708dc245a
linuxlinux>= 66f7ac50ed7cc5c19a62bc97e8f6e7891004a03a < 351eb7ac53ff1cd94d893c0c4534ced2f36ae7d7351eb7ac53ff1cd94d893c0c4534ced2f36ae7d7
linuxlinux>= 66f7ac50ed7cc5c19a62bc97e8f6e7891004a03a < cd1bdcb77fdc03c253137e55bae10551b3481461cd1bdcb77fdc03c253137e55bae10551b3481461
linuxlinux>= 66f7ac50ed7cc5c19a62bc97e8f6e7891004a03a < 236f41ca728f23210b31ed2d1d8a6df575a4b2d6236f41ca728f23210b31ed2d1d8a6df575a4b2d6
linuxlinux>= 66f7ac50ed7cc5c19a62bc97e8f6e7891004a03a < ebebbb0eded2ed9a1abfa31962f6fb699e6abce7ebebbb0eded2ed9a1abfa31962f6fb699e6abce7
linuxlinux>= 66f7ac50ed7cc5c19a62bc97e8f6e7891004a03a < 521e55c2b0d6028861ac0a2d06aa57bb0e3ac486521e55c2b0d6028861ac0a2d06aa57bb0e3ac486
linuxlinux>= 66f7ac50ed7cc5c19a62bc97e8f6e7891004a03a < ac4860141300581d3e2f6c6dafa37220f7ea9f65ac4860141300581d3e2f6c6dafa37220f7ea9f65
linuxlinux>= 66f7ac50ed7cc5c19a62bc97e8f6e7891004a03a < 49f27f29446a5bfe633dd2cc0cfebd48a1a5e77f49f27f29446a5bfe633dd2cc0cfebd48a1a5e77f
linuxlinux_kernel
linuxlinux_kernel>= 0 < 5.10.237-15.10.237-1
linuxlinux_kernel>= 0 < 6.1.133-16.1.133-1
linuxlinux_kernel>= 0 < 6.12.19-16.12.19-1
linuxlinux_kernel>= 0 < 6.12.19-16.12.19-1
linuxlinux_kernel>= 0 < 5.4.0-216.2365.4.0-216.236
linuxlinux_kernel>= 0 < 5.15.0-140.1505.15.0-140.150
linuxlinux_kernel>= 0 < 6.8.0-84.846.8.0-84.84
linuxlinux_kernel>= 2.6.26 < 5.4.2915.4.291
linuxlinux_kernel>= 5.11 < 5.15.1795.15.179
linuxlinux_kernel>= 5.16 < 6.1.1316.1.131
linuxlinux_kernel>= 5.5 < 5.10.2355.10.235
linuxlinux_kernel>= 6.13 < 6.13.76.13.7
linuxlinux_kernel>= 6.2 < 6.6.836.6.83

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv8.8HIGH
vendor_ubuntu8.8HIGH
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
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