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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.04%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/a05c1ede50e9656f0752e523c7b54f3a3489e9a8
https://git.kernel.org/stable/c/68c8ba16ab712eb709c6bab80ff151079d11d97a patch
https://git.kernel.org/stable/c/2367bf254f3a27ecc6e229afd7a8b0a1395f7be3 patch
https://git.kernel.org/stable/c/4e13d3a9c25b7080f8a619f961e943fe08c2672c patch

Frequently Asked Questions

What is the severity of CVE-2024-36903?
CVE-2024-36903 has been scored as a medium severity vulnerability.
How to fix CVE-2024-36903?
To fix CVE-2024-36903, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-36903 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-36903 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-36903?
CVE-2024-36903 affects Linux Linux, Linux Linux.
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