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CVE-2024-36903

ipv6: Fix potential uninit-value access in __ip6_make_skb()

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.10.248, 5.15.198, 6.1.140, 4.15, 4.20, and 4 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix potential uninit-value access in __ip6_make_skb() As it was done in commit fc1092f51567 ("ipv4: Fix uninit-value access in __ip_make_skb()") for IPv4, check FLOWI_FLAG_KNOWN_NH on fl6->flowi6_flags instead of testing HDRINCL on the socket to avoid a race condition which causes uninit-value access.

Timeline

  1. CVE published
  2. CISA SSVC assessment

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

  3. Record last updated

Affected versions

  • Linux Linux

    From 605b056d63302ae84eb136e88d4df49124bd5e0d · fixed in 59d74c843ebf46264c7903726cf6f2673a93b07a; From d65ff2fe877c471aa6e79efa7bd8ff66e147c317 · fixed in 40e5444a3ac315b60e94d82226b73cd82145d09e; From 2c9cefc142c1dc2759e19a92d3b2b3715e985beb · fixed in a05c1ede50e9656f0752e523c7b54f3a3489e9a8; From ea30388baebcce37fd594d425a65037ca35e59e8 · fixed in 68c8ba16ab712eb709c6bab80ff151079d11d97a; From ea30388baebcce37fd594d425a65037ca35e59e8 · fixed in 2367bf254f3a27ecc6e229afd7a8b0a1395f7be3; From ea30388baebcce37fd594d425a65037ca35e59e8 · fixed in 4e13d3a9c25b7080f8a619f961e943fe08c2672c; From 5.10.178 · fixed in 5.10.248; From 5.15.107 · fixed in 5.15.198; From 6.1.24 · fixed in 6.1.140; From 4.14.313 · fixed in 4.15; From 4.19.281 · fixed in 4.20; From 5.4.241 · fixed in 5.5; From 6.2.11 · fixed in 6.3

  • Linux Linux

    6.3

  • KernelLinux

    fixed in 5.10.248; From 5.11.0 · fixed in 5.15.198; From 5.16.0 · fixed in 6.1.140; From 6.2.0 · fixed in 6.6.31; From 6.3.0 · fixed in 6.8.10

References 6

git.kernel.org