CVE-2024-35966

Summary

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

Bluetooth: RFCOMM: Fix not validating setsockopt user input

syzbot reported rfcomm_sock_setsockopt_old() is copying data without checking user input length.

BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline] BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline] BUG: KASAN: slab-out-of-bounds in rfcomm_sock_setsockopt_old net/bluetooth/rfcomm/sock.c:632 [inline] BUG: KASAN: slab-out-of-bounds in rfcomm_sock_setsockopt+0x893/0xa70 net/bluetooth/rfcomm/sock.c:673 Read of size 4 at addr ffff8880209a8bc3 by task syz-executor632/5064

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxbb23c0ab824653be4aa7dfca15b07b3059717004 < d072ea24748189cd8f4a9c3f585ca9af073a0838affected
LinuxLinuxbb23c0ab824653be4aa7dfca15b07b3059717004 < 00767fbd67af70d7a550caa5b12d9515fa978babaffected
LinuxLinuxbb23c0ab824653be4aa7dfca15b07b3059717004 < eea40d33bf936a5c7fb03c190e61e0cfee00e872affected
LinuxLinuxbb23c0ab824653be4aa7dfca15b07b3059717004 < 4ea65e2095e9bd151d0469328dd7fc2858feb546affected
LinuxLinuxbb23c0ab824653be4aa7dfca15b07b3059717004 < c3f787a3eafe519c93df9abbb0ca5145861c8d0faffected
LinuxLinuxbb23c0ab824653be4aa7dfca15b07b3059717004 < a97de7bff13b1cc825c1b1344eaed8d6c2d3e695affected
LinuxLinux2.6.30affected
LinuxLinux0 < 2.6.30unaffected
LinuxLinux5.10.234 <= 5.10.*unaffected
LinuxLinux5.15.178 <= 5.15.*unaffected
LinuxLinux6.1.107 <= 6.1.*unaffected
LinuxLinux6.6.47 <= 6.6.*unaffected
LinuxLinux6.8.7 <= 6.8.*unaffected
LinuxLinux6.9 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

CVE Program Container

Additional References

Additional References

References