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CVE-2023-53705

ipv6: Fix out-of-bounds access in ipv6_find_tlv()

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 4.14.316, 4.19.284, 5.4.244, 5.10.181, 5.15.114, and 2 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix out-of-bounds access in ipv6_find_tlv() optlen is fetched without checking whether there is more than one byte to parse. It can lead to out-of-bounds access. Found by InfoTeCS on behalf of Linux Verification Center (linuxtesting.org) with SVACE.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • Linux Linux

    From c61a404325093250b676f40ad8f4dd00f3bcab5f · fixed in 59e656d0d4a84ea0ee9a39c6f69160a3effccc94; From c61a404325093250b676f40ad8f4dd00f3bcab5f · fixed in 04bf69e3de435d793a203aacc4b774f8f9f2baeb; From c61a404325093250b676f40ad8f4dd00f3bcab5f · fixed in 011f47c8b8389154f996f5f69da8efc3a3beefef; From c61a404325093250b676f40ad8f4dd00f3bcab5f · fixed in e5f82688ae10f5f386952e65e941bb8868ee54dc; From c61a404325093250b676f40ad8f4dd00f3bcab5f · fixed in 9b92e2d0eb696d7586ba832c8854653b59887da0; From c61a404325093250b676f40ad8f4dd00f3bcab5f · fixed in 91dd8aab9c9f193210681b86b6b92840ffe74f0c; From c61a404325093250b676f40ad8f4dd00f3bcab5f · fixed in ae68c0f7edbc9a294094ce03a0aaf45aa489ce40; From c61a404325093250b676f40ad8f4dd00f3bcab5f · fixed in 878ecb0897f4737a4c9401f3523fd49589025671

  • Linux Linux

    2.6.19

  • KernelLinux

    From 2.6.19 · fixed in 4.14.316; From 4.15.0 · fixed in 4.19.284; From 4.20.0 · fixed in 5.4.244; From 5.5.0 · fixed in 5.10.181; From 5.11.0 · fixed in 5.15.114; From 5.16.0 · fixed in 6.1.31; From 6.2.0 · fixed in 6.3.5

References 8

git.kernel.org