CVE-2022-4129

A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol (L2TP). A missing lock when clearing sk_user_data can lead to a race condition and NULL pointer dereference. A local user could use this flaw to potentially crash the system causing a denial of service.
Configurations

Configuration 1 (hide)

cpe:2.3:a:linux:layer_2_tunneling_protocol:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*

History

21 Nov 2024, 07:34

Type Values Removed Values Added
References () https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html - () https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html -
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7X5SPXMXXFANDASPCKER2JIQO2F3UHCP/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7X5SPXMXXFANDASPCKER2JIQO2F3UHCP/ -
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AM5KFIE6JNZXHBA5A2KYDZAT3MEX2B67/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AM5KFIE6JNZXHBA5A2KYDZAT3MEX2B67/ -
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JOKXNIM2R4FQCDRQV67UMAY6EBC72QFG/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JOKXNIM2R4FQCDRQV67UMAY6EBC72QFG/ -
References () https://lore.kernel.org/all/20221114191619.124659-1-jakub%40cloudflare.com/t - () https://lore.kernel.org/all/20221114191619.124659-1-jakub%40cloudflare.com/t -
References () https://lore.kernel.org/netdev/20221121085426.21315-1-jakub%40cloudflare.com/t - () https://lore.kernel.org/netdev/20221121085426.21315-1-jakub%40cloudflare.com/t -

03 May 2023, 01:15

Type Values Removed Values Added
CPE cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
References
  • {'url': 'https://lore.kernel.org/all/20221114191619.124659-1-jakub@cloudflare.com/t', 'name': 'https://lore.kernel.org/all/20221114191619.124659-1-jakub@cloudflare.com/t', 'tags': ['Patch', 'Vendor Advisory'], 'refsource': 'MISC'}
  • {'url': 'https://lore.kernel.org/netdev/20221121085426.21315-1-jakub@cloudflare.com/t', 'name': 'https://lore.kernel.org/netdev/20221121085426.21315-1-jakub@cloudflare.com/t', 'tags': ['Patch', 'Vendor Advisory'], 'refsource': 'MISC'}
  • (MISC) https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JOKXNIM2R4FQCDRQV67UMAY6EBC72QFG/ -
  • (MISC) https://lore.kernel.org/all/20221114191619.124659-1-jakub%40cloudflare.com/t -
  • (MISC) https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7X5SPXMXXFANDASPCKER2JIQO2F3UHCP/ -
  • (MISC) https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AM5KFIE6JNZXHBA5A2KYDZAT3MEX2B67/ -
  • (MISC) https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html -
  • (MISC) https://lore.kernel.org/netdev/20221121085426.21315-1-jakub%40cloudflare.com/t -

01 Dec 2022, 17:53

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 5.5
CPE cpe:2.3:a:linux:layer_2_tunneling_protocol:*:*:*:*:*:*:*:*
References (MISC) https://lore.kernel.org/all/20221114191619.124659-1-jakub@cloudflare.com/t - (MISC) https://lore.kernel.org/all/20221114191619.124659-1-jakub@cloudflare.com/t - Patch, Vendor Advisory
References (MISC) https://lore.kernel.org/netdev/20221121085426.21315-1-jakub@cloudflare.com/t - (MISC) https://lore.kernel.org/netdev/20221121085426.21315-1-jakub@cloudflare.com/t - Patch, Vendor Advisory
CWE CWE-362
CWE-476

28 Nov 2022, 22:15

Type Values Removed Values Added
New CVE

Information

Published : 2022-11-28 22:15

Updated : 2024-11-21 07:34


NVD link : CVE-2022-4129

Mitre link : CVE-2022-4129

CVE.ORG link : CVE-2022-4129


JSON object : View

Products Affected

linux

  • layer_2_tunneling_protocol

fedoraproject

  • fedora
CWE
CWE-667

Improper Locking