tipc: fix infinite loop in __tipc_nl_compat_dumpit
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.2%
exploitation probability
0.2%top 88% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
tipc: fix infinite loop in __tipc_nl_compat_dumpit
cmd->dumpit callback can return a negative errno, causing an infinite
loop due to the while(len) condition. As the loop never terminates,
genl_mutex is never released, and other tasks waiting on it starve in D
state.
Check dumpit's return value, propagate it and jump to err_out on error.
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/1ab78af2140189b735b8d3b889b0284128cb2013https://git.kernel.org/stable/c/22f8aa35964e8f2ab026578f45befc9605fd1b28https://git.kernel.org/stable/c/2a1c1397275f27e33b6a2a565d81cfef0deb6656https://git.kernel.org/stable/c/98d09766cee3182aae292886e2fef0cbe8dba537https://git.kernel.org/stable/c/9cd8c88e1336ec0fbe02af1ddf2b52838d30fae4https://git.kernel.org/stable/c/b8f3b8efa5f99081b14de1a7ffa68a81bf01bd48https://git.kernel.org/stable/c/e740e90ca8e7f70d9eac1aa31a8b3e0e4d32b2efhttps://git.kernel.org/stable/c/f9c669d9f4cac832fe31193cdbc24c6a9d99398b