blk-throttle: prevent overflow while calculating wait time
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.2%
exploitation probability
0.2%top 90% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
blk-throttle: prevent overflow while calculating wait time
There is a problem found by code review in tg_with_in_bps_limit() that
'bps_limit * jiffy_elapsed_rnd' might overflow. Fix the problem by
calling mul_u64_u64_div_u64() instead.
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/19c010ae44f0ce52b5436080492a61a092ee0cf4https://git.kernel.org/stable/c/70b2adb1d698fbc63d3b3848c452524dc15872c5https://git.kernel.org/stable/c/8d6bbaada2e0a65f9012ac4c2506460160e7237ahttps://git.kernel.org/stable/c/ca67b0563b39e79290c23e509319c178b9ca9104https://git.kernel.org/stable/c/cc6f0855bf8d9b729df28ff443ced7350c380dbd