Bluetooth: SCO: Fix not validating setsockopt user input
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.1epss 0.2%
exploitation probability
0.2%top 86% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: SCO: Fix not validating setsockopt user input
syzbot reported sco_sock_setsockopt() 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 sco_sock_setsockopt+0xc0b/0xf90
net/bluetooth/sco.c:893
Read of size 4 at addr ffff88805f7b15a3 by task syz-executor.5/12578
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Affected products
Linux · LinuxReferences
https://cert-portal.siemens.com/productcert/html/ssa-265688.htmlhttps://git.kernel.org/stable/c/2c2dc87cdebef3fe3b9d7a711a984c70e376e32ehttps://git.kernel.org/stable/c/419a0ffca7010216f0fc265b08558d7394fa0ba7https://git.kernel.org/stable/c/51eda36d33e43201e7a4fd35232e069b2c850b01https://git.kernel.org/stable/c/72473db90900da970a16ee50ad23c2c38d107d8chttps://git.kernel.org/stable/c/7bc65d23ba20dcd7ecc094a12c181e594e5eb315https://git.kernel.org/stable/c/b0e30c37695b614bee69187f86eaf250e36606cehttps://lists.debian.org/debian-lts-announce/2024/06/msg00017.html