CVE-2022-49587
tcp: Fix a data-race around sysctl_tcp_notsent_lowat.
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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: Fix a data-race around sysctl_tcp_notsent_lowat. While reading sysctl_tcp_notsent_lowat, 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
3.12
References 8
git.kernel.org
- stable/c/91e21df688f8a75255ca9c459da39ac96300113a
- stable/c/c1b85c5a34294f7444c13bf828e0e84b0a0eed85
- stable/c/0f75343584ee474303e17efe0610bdd170af1d13
- stable/c/e9362a993886613ef0284c2a4911c6017c97d803
- stable/c/fd6f1284e380c377932186042ff0b5c987fb2b92
- stable/c/80d4d0c461674eea87f0977e12a2ecd334b9b79c
- stable/c/62e56cfeb2ae4b53ae9ca24c80f54093250ce64a
- stable/c/55be873695ed8912eb77ff46d1d1cadf028bd0f3