CVE-2022-49601
tcp/dccp: Fix a data-race around sysctl_tcp_fwmark_accept.
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
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.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
3.16
References 8
git.kernel.org
- stable/c/13207f9485b5de68decf296ceb0046f5eabb2485
- stable/c/45fc82706a97242539d6b841ddd7a077ec20757b
- stable/c/abf70de2ec026ae8d7da4e79bec61888a880e00b
- stable/c/a7386602a2fe2f6192477e8ede291a815da09d81
- stable/c/d4f65615db7fca3df9f7e79eadf937e6ddb03c54
- stable/c/bf3134feffe61b7a0e21f60a04743f8da0958b53
- stable/c/526d8cf8824f613c72dba2155542295e70135f62
- stable/c/1a0008f9df59451d0a17806c1ee1a19857032fa8