CVE-2024-36903

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux605b056d63302ae84eb136e88d4df49124bd5e0d < 59d74c843ebf46264c7903726cf6f2673a93b07aaffected
LinuxLinuxd65ff2fe877c471aa6e79efa7bd8ff66e147c317 < 40e5444a3ac315b60e94d82226b73cd82145d09eaffected
LinuxLinux2c9cefc142c1dc2759e19a92d3b2b3715e985beb < a05c1ede50e9656f0752e523c7b54f3a3489e9a8affected
LinuxLinuxea30388baebcce37fd594d425a65037ca35e59e8 < 68c8ba16ab712eb709c6bab80ff151079d11d97aaffected
LinuxLinuxea30388baebcce37fd594d425a65037ca35e59e8 < 2367bf254f3a27ecc6e229afd7a8b0a1395f7be3affected
LinuxLinuxea30388baebcce37fd594d425a65037ca35e59e8 < 4e13d3a9c25b7080f8a619f961e943fe08c2672caffected
LinuxLinux165370522cc48127da564a08584a7391e6341908affected
LinuxLinuxf394f690a30a5ec0413c62777a058eaf3d6e10d5affected
LinuxLinux0cf600ca1bdf1d52df977516ee6cee0cadb1f6b1affected
LinuxLinux02ed5700f40445af02d1c97db25ffc2d04971d9faffected
LinuxLinux5.10.178 < 5.10.248affected
LinuxLinux5.15.107 < 5.15.198affected
LinuxLinux6.1.24 < 6.1.140affected
LinuxLinux4.14.313 < 4.15affected
LinuxLinux4.19.281 < 4.20affected
LinuxLinux5.4.241 < 5.5affected
LinuxLinux6.2.11 < 6.3affected
LinuxLinux6.3affected
LinuxLinux0 < 6.3unaffected
LinuxLinux5.10.248 <= 5.10.*unaffected
LinuxLinux5.15.198 <= 5.15.*unaffected
LinuxLinux6.1.140 <= 6.1.*unaffected
LinuxLinux6.6.31 <= 6.6.*unaffected
LinuxLinux6.8.10 <= 6.8.*unaffected
LinuxLinux6.9 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References