CVE-2024-36903: ipv6: Fix potential uninit-value access in __ip6_make_skb()

Description

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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

605b056d63302ae84eb136e88d4df49124bd5e0d to < 59d74c843ebf46264c7903726cf6f2673a93b07aaffected
d65ff2fe877c471aa6e79efa7bd8ff66e147c317 to < 40e5444a3ac315b60e94d82226b73cd82145d09eaffected
2c9cefc142c1dc2759e19a92d3b2b3715e985beb to < a05c1ede50e9656f0752e523c7b54f3a3489e9a8affected
ea30388baebcce37fd594d425a65037ca35e59e8 to < 68c8ba16ab712eb709c6bab80ff151079d11d97aaffected
ea30388baebcce37fd594d425a65037ca35e59e8 to < 2367bf254f3a27ecc6e229afd7a8b0a1395f7be3affected
ea30388baebcce37fd594d425a65037ca35e59e8 to < 4e13d3a9c25b7080f8a619f961e943fe08c2672caffected
165370522cc48127da564a08584a7391e6341908affected
f394f690a30a5ec0413c62777a058eaf3d6e10d5affected
0cf600ca1bdf1d52df977516ee6cee0cadb1f6b1affected
02ed5700f40445af02d1c97db25ffc2d04971d9faffected
5.10.178 to < 5.10.248affected
5.15.107 to < 5.15.198affected
6.1.24 to < 6.1.140affected
4.14.313 to < 4.15affected
4.19.281 to < 4.20affected
5.4.241 to < 5.5affected
6.2.11 to < 6.3affected

Linux Linux

Default version status: affected

6.3affected
0 to < 6.3unaffected
5.10.248 to ≤ 5.10.*unaffected
5.15.198 to ≤ 5.15.*unaffected
6.1.140 to ≤ 6.1.*unaffected
6.6.31 to ≤ 6.6.*unaffected
6.8.10 to ≤ 6.8.*unaffected
6.9 to ≤ *unaffected

CVE-2024-36903

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

Description

Affected products

Linux Linux

Linux Linux

References