5.5

CVE-2024-47712

wifi: wilc1000: fix potential RCU dereference issue in wilc_parse_join_bss_param

In the Linux kernel, the following vulnerability has been resolved:

wifi: wilc1000: fix potential RCU dereference issue in wilc_parse_join_bss_param

In the `wilc_parse_join_bss_param` function, the TSF field of the `ies`
structure is accessed after the RCU read-side critical section is
unlocked. According to RCU usage rules, this is illegal. Reusing this
pointer can lead to unpredictable behavior, including accessing memory
that has been updated or causing use-after-free issues.

This possible bug was identified using a static analysis tool developed
by myself, specifically designed to detect RCU-related issues.

To address this, the TSF value is now stored in a local variable
`ies_tsf` before the RCU lock is released. The `param->tsf_lo` field is
then assigned using this local variable, ensuring that the TSF value is
safely accessed.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 5.4.273 < 5.5
Linux ≫ Linux Kernel Version >= 5.10.214 < 5.10.227
Linux ≫ Linux Kernel Version >= 5.15.153 < 5.15.168
Linux ≫ Linux Kernel Version >= 6.1.83 < 6.1.113
Linux ≫ Linux Kernel Version >= 6.6.23 < 6.6.54
Linux ≫ Linux Kernel Version >= 6.7.11 < 6.8
Linux ≫ Linux Kernel Version >= 6.8.2 < 6.9
Linux ≫ Linux Kernel Version > 6.9 < 6.10.13
Linux ≫ Linux Kernel Version >= 6.11 < 6.11.2
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.23% 0.139
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://git.kernel.org/stable/c/2f944e6255c2fc1c9bd9ee32f6b14ee0b2a51eb5
Patch
https://git.kernel.org/stable/c/557418e1704605a81c9e26732449f71b1d40ba1e
Patch
https://git.kernel.org/stable/c/5a24cedc243ace5ed7c1016f52a7bfc8f5b07815
https://git.kernel.org/stable/c/6d7c6ae1efb1ff68bc01d79d94fdf0388f86cdd8
Patch
https://git.kernel.org/stable/c/79510414a7626317f13cc9073244ab7a8deb3192
Patch
https://git.kernel.org/stable/c/84398204c5df5aaf89453056cf0647cda9664d2b
Patch
https://git.kernel.org/stable/c/b040b71d99ee5e17bb7a743dc01cbfcae8908ce1
Patch
https://git.kernel.org/stable/c/bf090f4fe935294361eabd9dc5a949fdd77d3d1b
Patch
https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html