CVE-2023-53209

Summary

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 Software

VendorProductVersion RangeStatus
LinuxLinux86e74a08fecb59985bb2d5fe3e96dc108822a420 < d0124848c7940aba73492e282506b32a13f2e30eaffected
LinuxLinux86e74a08fecb59985bb2d5fe3e96dc108822a420 < a8a20fed3e05b3a6866c5c58855deaf3c217ccd6affected
LinuxLinux86e74a08fecb59985bb2d5fe3e96dc108822a420 < 0cc80943ef518a1c51a1111e9346d1daf11dd545affected
LinuxLinux6.1affected
LinuxLinux0 < 6.1unaffected
LinuxLinux6.1.42 <= 6.1.*unaffected
LinuxLinux6.4.7 <= 6.4.*unaffected
LinuxLinux6.5 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

References