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CVE-2024-50148

Bluetooth: bnep: fix wild-memory-access in proto_unregister

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 4.19.323, 5.4.285, 5.10.229, 5.15.170, 6.1.115, and 2 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: bnep: fix wild-memory-access in proto_unregister There's issue as follows: KASAN: maybe wild-memory-access in range [0xdead...108-0xdead...10f] CPU: 3 UID: 0 PID: 2805 Comm: rmmod Tainted: G W RIP: 0010:proto_unregister+0xee/0x400 Call Trace: <TASK> __do_sys_delete_module+0x318/0x580 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f As bnep_init() ignore bnep_sock_init()'s return value, and bnep_sock_init() will cleanup all resource. Then when remove bnep module will call bnep_sock_cleanup() to cleanup sock's resource. To solve above issue just return bnep_sock_init()'s return value in bnep_exit().

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Linux Linux

    From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in e232728242c4e98fb30e4c6bedb6ba8b482b6301; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 2c439470b23d78095a0d2f923342df58b155f669; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 6c151aeb6dc414db8f4daf51be072e802fae6667; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in fa58e23ea1359bd24b323916d191e2e9b4b19783; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 03015b6329e6de42f03ec917c25c4cf944f81f66; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in d10cd7bf574ead01fae140ce117a11bcdacbe6a8; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 20c424bc475b2b2a6e0e2225d2aae095c2ab2f41; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 64a90991ba8d4e32e3173ddd83d0b24167a5668c

  • Linux Linux

    2.6.12

  • KernelLinux

    From 2.6.12 · fixed in 4.19.323; From 4.20.0 · fixed in 5.4.285; From 5.5.0 · fixed in 5.10.229; From 5.11.0 · fixed in 5.15.170; From 5.16.0 · fixed in 6.1.115; From 6.2.0 · fixed in 6.6.59; From 6.7.0 · fixed in 6.11.6

References 8

git.kernel.org