Bluetooth: RFCOMM: Fix not validating setsockopt user input
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 5.10.234, 5.15.178, 6.1.107, 6.6.47, 6.8.7
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- 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: 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
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Linux Linux
From bb23c0ab824653be4aa7dfca15b07b3059717004 · fixed in d072ea24748189cd8f4a9c3f585ca9af073a0838; From bb23c0ab824653be4aa7dfca15b07b3059717004 · fixed in 00767fbd67af70d7a550caa5b12d9515fa978bab; From bb23c0ab824653be4aa7dfca15b07b3059717004 · fixed in eea40d33bf936a5c7fb03c190e61e0cfee00e872; From bb23c0ab824653be4aa7dfca15b07b3059717004 · fixed in 4ea65e2095e9bd151d0469328dd7fc2858feb546; From bb23c0ab824653be4aa7dfca15b07b3059717004 · fixed in c3f787a3eafe519c93df9abbb0ca5145861c8d0f; From bb23c0ab824653be4aa7dfca15b07b3059717004 · fixed in a97de7bff13b1cc825c1b1344eaed8d6c2d3e695
- Linux Linux
2.6.30
- KernelLinux
From 2.6.30 · fixed in 5.10.234; From 5.11.0 · fixed in 5.15.178; From 5.16.0 · fixed in 6.1.107; From 6.2.0 · fixed in 6.6.47; From 6.7.0 · fixed in 6.8.7