CVE-2022-49727 (GCVE-0-2022-49727)

Vulnerability from cvelistv5 – Published: 2025-02-26 02:24 – Updated: 2025-12-23 13:25
VLAI?
Title
ipv6: Fix signed integer overflow in l2tp_ip6_sendmsg
Summary
In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix signed integer overflow in l2tp_ip6_sendmsg When len >= INT_MAX - transhdrlen, ulen = len + transhdrlen will be overflow. To fix, we can follow what udpv6 does and subtract the transhdrlen from the max.
Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-190 - Integer Overflow or Wraparound
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: a32e0eec7042b21ccb52896cf715e3e2641fed93 , < 2cf73c7cb6125083408d77f43d0e84d86aed0000 (git)
Affected: a32e0eec7042b21ccb52896cf715e3e2641fed93 , < 0e818d433fc2718fe4da044ffca7431812a7e04e (git)
Affected: a32e0eec7042b21ccb52896cf715e3e2641fed93 , < 6c4e3486d21173d60925ef52e512cae727b43d30 (git)
Affected: a32e0eec7042b21ccb52896cf715e3e2641fed93 , < 2f42389d270f2304c8855b0b63498a5a4d0c053d (git)
Affected: a32e0eec7042b21ccb52896cf715e3e2641fed93 , < b8879ca1fd7348b4d5db7db86dcb97f60c73d751 (git)
Affected: a32e0eec7042b21ccb52896cf715e3e2641fed93 , < 27a37755ceb401111ded76810359d3adc4b268a1 (git)
Affected: a32e0eec7042b21ccb52896cf715e3e2641fed93 , < 034246122f5c5e2e2a0b9fe04e24517920e9beb1 (git)
Affected: a32e0eec7042b21ccb52896cf715e3e2641fed93 , < f638a84afef3dfe10554c51820c16e39a278c915 (git)
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    Linux Linux Affected: 3.5
Unaffected: 0 , < 3.5 (semver)
Unaffected: 4.9.320 , ≤ 4.9.* (semver)
Unaffected: 4.14.285 , ≤ 4.14.* (semver)
Unaffected: 4.19.249 , ≤ 4.19.* (semver)
Unaffected: 5.4.200 , ≤ 5.4.* (semver)
Unaffected: 5.10.124 , ≤ 5.10.* (semver)
Unaffected: 5.15.49 , ≤ 5.15.* (semver)
Unaffected: 5.18.6 , ≤ 5.18.* (semver)
Unaffected: 5.19 , ≤ * (original_commit_for_fix)
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Sightings

Author Source Type Date

Nomenclature

  • 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.



Detection rules are retrieved from Rulezet.