CVE-2022-49604 (GCVE-0-2022-49604)

Vulnerability from cvelistv5 – Published: 2025-02-26 02:23 – Updated: 2025-10-01 19:36
VLAI?
Title
ip: Fix data-races around sysctl_ip_fwd_use_pmtu.
Summary
In the Linux kernel, the following vulnerability has been resolved: ip: Fix data-races around sysctl_ip_fwd_use_pmtu. While reading sysctl_ip_fwd_use_pmtu, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.
Severity ?
4.7 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: f87c10a8aa1e82498c42d0335524d6ae7cf5a52b , < eb15262128b793e4b1d1c4514d3e6d19c3959764 (git)
Affected: f87c10a8aa1e82498c42d0335524d6ae7cf5a52b , < 7828309df0f89419a9349761a37c7d1b0da45697 (git)
Affected: f87c10a8aa1e82498c42d0335524d6ae7cf5a52b , < b96ed5ccb09ae71103023ed13acefb194f609794 (git)
Affected: f87c10a8aa1e82498c42d0335524d6ae7cf5a52b , < 93fbc06da1d819f3981a7bd7928c3641ea67b364 (git)
Affected: f87c10a8aa1e82498c42d0335524d6ae7cf5a52b , < e364b5f6ffbfc457a997ad09a7baa16c19581edc (git)
Affected: f87c10a8aa1e82498c42d0335524d6ae7cf5a52b , < 60c158dc7b1f0558f6cadd5b50d0386da0000d50 (git)
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    Linux Linux Affected: 3.14
Unaffected: 0 , < 3.14 (semver)
Unaffected: 4.19.254 , ≤ 4.19.* (semver)
Unaffected: 5.4.208 , ≤ 5.4.* (semver)
Unaffected: 5.10.134 , ≤ 5.10.* (semver)
Unaffected: 5.15.58 , ≤ 5.15.* (semver)
Unaffected: 5.18.15 , ≤ 5.18.* (semver)
Unaffected: 5.19 , ≤ * (original_commit_for_fix)
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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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