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CVE-2024-56600

net: inet6: do not leave a dangling sk pointer in inet6_create()

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.4.287, 5.10.231, 5.15.174, 6.1.120, 6.6.66, and 1 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

In the Linux kernel, the following vulnerability has been resolved: net: inet6: do not leave a dangling sk pointer in inet6_create() sock_init_data() attaches the allocated sk pointer to the provided sock object. If inet6_create() fails later, the sk object is released, but the sock object retains the dangling sk pointer, which may cause use-after-free later. Clear the sock sk pointer on error.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • Linux Linux

    From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in f2709d1271cfdf55c670ab5c5982139ab627ddc7; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 35360255ca30776dee34d9fa764cffa24d0a5f65; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 276a473c956fb55a6f3affa9ff232e10fffa7b43; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 79e16a0d339532ea832d85798eb036fc4f9e0cea; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 706b07b7b37f886423846cb38919132090bc40da; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in f44fceb71d72d29fb00e0ac84cdf9c081b03cd06; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 9df99c395d0f55fb444ef39f4d6f194ca437d884

  • Linux Linux

    2.6.12

  • KernelLinux

    From 2.6.12 · fixed in 5.4.287; From 5.5.0 · fixed in 5.10.231; From 5.11.0 · fixed in 5.15.174; From 5.16.0 · fixed in 6.1.120; From 6.2.0 · fixed in 6.6.66; From 6.7.0 · fixed in 6.12.5

References 7

git.kernel.org