fs: jfs: fix shift-out-of-bounds in dbDiscardAG
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.2%
exploitation probability
0.2%top 95% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
fs: jfs: fix shift-out-of-bounds in dbDiscardAG
This should be applied to most URSAN bugs found recently by syzbot,
by guarding the dbMount. As syzbot feeding rubbish into the bmap
descriptor.
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/0183c8f46ab5bcd0740f41c87f5141c6ca2bf1bbhttps://git.kernel.org/stable/c/10b87da8fae79c7daf5eda6a9e4f1d31b85b4d92https://git.kernel.org/stable/c/25e70c6162f207828dd405b432d8f2a98dbf7082https://git.kernel.org/stable/c/3d340b684dcec5e34efc470227cd1c7d2df121adhttps://git.kernel.org/stable/c/50163a115831ef4e6402db5a7ef487d1989d7249https://git.kernel.org/stable/c/624843f1bac448150f6859999c72c4841c14a2e3https://git.kernel.org/stable/c/911999b193735cd378517b6cd5fe585ee345d49chttps://git.kernel.org/stable/c/ab5cd3d62c2493eca3337e7d0178cc7bd819ca64https://git.kernel.org/stable/c/f8d4d0bac603616e2fa4a3907e81ed13f8f3c380