sctp: Prevent TOCTOU out-of-bounds write
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.8epss 0.2%
exploitation probability
0.2%top 91% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
sctp: Prevent TOCTOU out-of-bounds write
For the following path not holding the sock lock,
sctp_diag_dump() -> sctp_for_each_endpoint() -> sctp_ep_dump()
make sure not to exceed bounds in case the address list has grown
between buffer allocation (time-of-check) and write (time-of-use).
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/2fe08fcaacb7eb019fa9c81db39b2214de216677https://git.kernel.org/stable/c/3006959371007fc2eae4a078f823c680fa52de1ahttps://git.kernel.org/stable/c/584307275b2048991b2e8984962189b6cc0a9b85https://git.kernel.org/stable/c/72e3fea68eac8d088e44c3dd954e843478e9240ehttps://git.kernel.org/stable/c/89eac1e150dbd42963e13d23828cb8c4e0763196https://git.kernel.org/stable/c/95aef86ab231f047bb8085c70666059b58f53c09https://git.kernel.org/stable/c/b106a68df0650b694b254427cd9250c04500edd3https://git.kernel.org/stable/c/c9119f243d9c0da3c3b5f577a328de3e7ffd1b42