CVE-2022-49048

ipv6: fix panic when forwarding a pkt with no in6 dev

State: Published
Severity: 7.5 High
Published: Feb 26, 2025
Updated: Oct 15, 2026
Reserved: Feb 26, 2025

Description

In the Linux kernel, the following vulnerability has been resolved:

ipv6: fix panic when forwarding a pkt with no in6 dev

kongweibin reported a kernel panic in ip6_forward() when input interface has no in6 dev associated.

The following tc commands were used to reproduce this panic: tc qdisc del dev vxlan100 root tc qdisc add dev vxlan100 root netem corrupt 5%

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	Linux

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	bff0854e2f804f68d3e93d19e4580dbd69777e1d to before 74b68f5249f16c5f7f675d0f604fa6ae20e3a151Affected 7f4848229e91d508102b30396b8a1b710ac23637 to before ab2f5afb7af5c68389e8c7dd29e0a98fbeaaa435Affected 79ec7b5b2f4fe38e5c7459ed0bdff4ef3386ab63 to before a263712ba8c9ded25dd9d2d5ced11bcea5b33a3eAffected ccd27f05ae7b8ebc40af5b004e94517a919aa862 to before adee01bbf6cb5b3e4ed08be8ff866aac90f13836Affected ccd27f05ae7b8ebc40af5b004e94517a919aa862 to before e69fb3de87a8923e5931a272a38fa3cceb01da44Affected ccd27f05ae7b8ebc40af5b004e94517a919aa862 to before e3fa461d8b0e185b7da8a101fe94dfe6dd500ac0Affected 350e10d217337480158b604bbf6601c50ed161c6Affected 4.19.199 to before 4.19.239Affected 5.4.136 to before 5.4.190Affected 5.10.54 to before 5.10.112Affected 5.13.6 to before 5.14Affected
LinuxLinux	5.14Affected before 5.14Not affected 4.19.239 through 4.19.Not affected 5.4.190 through 5.4.Not affected 5.10.112 through 5.10.Not affected 5.15.35 through 5.15.Not affected 5.17.4 through 5.17.*Not affected 5.18 and laterNot affected

Product

Versions

LinuxLinux

bff0854e2f804f68d3e93d19e4580dbd69777e1d to before 74b68f5249f16c5f7f675d0f604fa6ae20e3a151Affected
7f4848229e91d508102b30396b8a1b710ac23637 to before ab2f5afb7af5c68389e8c7dd29e0a98fbeaaa435Affected
79ec7b5b2f4fe38e5c7459ed0bdff4ef3386ab63 to before a263712ba8c9ded25dd9d2d5ced11bcea5b33a3eAffected
ccd27f05ae7b8ebc40af5b004e94517a919aa862 to before adee01bbf6cb5b3e4ed08be8ff866aac90f13836Affected
ccd27f05ae7b8ebc40af5b004e94517a919aa862 to before e69fb3de87a8923e5931a272a38fa3cceb01da44Affected
ccd27f05ae7b8ebc40af5b004e94517a919aa862 to before e3fa461d8b0e185b7da8a101fe94dfe6dd500ac0Affected
350e10d217337480158b604bbf6601c50ed161c6Affected
4.19.199 to before 4.19.239Affected
5.4.136 to before 5.4.190Affected
5.10.54 to before 5.10.112Affected
5.13.6 to before 5.14Affected

LinuxLinux

5.14Affected
before 5.14Not affected
4.19.239 through 4.19.*Not affected
5.4.190 through 5.4.*Not affected
5.10.112 through 5.10.*Not affected
5.15.35 through 5.15.*Not affected
5.17.4 through 5.17.*Not affected
5.18 and laterNot affected

References

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