CVE-2022-49601mediumCWE-362

tcp/dccp: Fix a data-race around sysctl_tcp_fwmark_accept.

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 4.7epss 0.2%

exploitation probability

0.2%top 93% of all CVEs

observed exploitation

nono source reports it

In the Linux kernel, the following vulnerability has been resolved: tcp/dccp: Fix a data-race around sysctl_tcp_fwmark_accept. While reading sysctl_tcp_fwmark_accept, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader.

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

Linux · Linux

References

https://git.kernel.org/stable/c/13207f9485b5de68decf296ceb0046f5eabb2485 https://git.kernel.org/stable/c/1a0008f9df59451d0a17806c1ee1a19857032fa8 https://git.kernel.org/stable/c/45fc82706a97242539d6b841ddd7a077ec20757b https://git.kernel.org/stable/c/526d8cf8824f613c72dba2155542295e70135f62 https://git.kernel.org/stable/c/a7386602a2fe2f6192477e8ede291a815da09d81 https://git.kernel.org/stable/c/abf70de2ec026ae8d7da4e79bec61888a880e00b https://git.kernel.org/stable/c/bf3134feffe61b7a0e21f60a04743f8da0958b53 https://git.kernel.org/stable/c/d4f65615db7fca3df9f7e79eadf937e6ddb03c54