CVE-2024-47712

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxe556006de4ea93abe2b46cba202a2556c544b8b2 < 5a24cedc243ace5ed7c1016f52a7bfc8f5b07815affected
LinuxLinuxb4bbf38c350acb6500cbe667b1e2e68f896e4b38 < 557418e1704605a81c9e26732449f71b1d40ba1eaffected
LinuxLinuxd80fc436751cfa6b02a8eda74eb6cce7dadfe5a2 < bf090f4fe935294361eabd9dc5a949fdd77d3d1baffected
LinuxLinux745003b5917b610352f52fe0d11ef658d6471ec2 < b040b71d99ee5e17bb7a743dc01cbfcae8908ce1affected
LinuxLinux4bfd20d5f5c62b5495d6c0016ee6933bd3add7ce < 84398204c5df5aaf89453056cf0647cda9664d2baffected
LinuxLinux205c50306acf58a335eb19fa84e40140f4fe814f < 2f944e6255c2fc1c9bd9ee32f6b14ee0b2a51eb5affected
LinuxLinux205c50306acf58a335eb19fa84e40140f4fe814f < 79510414a7626317f13cc9073244ab7a8deb3192affected
LinuxLinux205c50306acf58a335eb19fa84e40140f4fe814f < 6d7c6ae1efb1ff68bc01d79d94fdf0388f86cdd8affected
LinuxLinux5800ec78775c0cd646f71eb9bf8402fb794807deaffected
LinuxLinuxdd50d3ead6e3707bb0a5df7cc832730c93ace3a7affected
LinuxLinux5.4.273 < 5.4.285affected
LinuxLinux5.10.214 < 5.10.227affected
LinuxLinux5.15.153 < 5.15.168affected
LinuxLinux6.1.83 < 6.1.113affected
LinuxLinux6.6.23 < 6.6.54affected
LinuxLinux6.7.11 < 6.8affected
LinuxLinux6.8.2 < 6.9affected
LinuxLinux6.9affected
LinuxLinux0 < 6.9unaffected
LinuxLinux5.4.285 <= 5.4.*unaffected
LinuxLinux5.10.227 <= 5.10.*unaffected
LinuxLinux5.15.168 <= 5.15.*unaffected
LinuxLinux6.1.113 <= 6.1.*unaffected
LinuxLinux6.6.54 <= 6.6.*unaffected
LinuxLinux6.10.13 <= 6.10.*unaffected
LinuxLinux6.11.2 <= 6.11.*unaffected
LinuxLinux6.12 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References