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CVE-2024-44999

7.1 · HIGH

In the Linux kernel, the following vulnerability has been resolved: gtp: pull network headers in gtp_dev_xmit() syzbot/KMSAN reported use of uninit-value in get_dev_xmit() [1] We must make sure…

Published Sep 4, 2024CWE-908EPSS 0.26%

Overview

CVE-2024-44999 is a high-severity vulnerability. It was published on September 4, 2024 and has a CVSS 3.1 base score of 7.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

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

gtp: pull network headers in gtp_dev_xmit()

syzbot/KMSAN reported use of uninit-value in get_dev_xmit() [1]

We must make sure the IPv4 or Ipv6 header is pulled in skb->head

before accessing fields in them.

Use pskb_inet_may_pull() to fix this issue.

[1]

BUG: KMSAN: uninit-value in ipv6_pdp_find drivers/net/gtp.c:220 [inline]

BUG: KMSAN: uninit-value in gtp_build_skb_ip6 drivers/net/gtp.c:1229 [inline]

BUG: KMSAN: uninit-value in gtp_dev_xmit+0x1424/0x2540 drivers/net/gtp.c:1281

ipv6_pdp_find drivers/net/gtp.c:220 [inline]

gtp_build_skb_ip6 drivers/net/gtp.c:1229 [inline]

gtp_dev_xmit+0x1424/0x2540 drivers/net/gtp.c:1281

__netdev_start_xmit include/linux/netdevice.h:4913 [inline]

netdev_start_xmit include/linux/netdevice.h:4922 [inline]

xmit_one net/core/dev.c:3580 [inline]

dev_hard_start_xmit+0x247/0xa20 net/core/dev.c:3596

__dev_queue_xmit+0x358c/0x5610 net/core/dev.c:4423

dev_queue_xmit inclu

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/137d565ab89ce3584503b443bc9e00d44f482593Refgit.kernel.org/stable/c/1f6b62392453d8f36685d19b761307a8c5617ac1Refgit.kernel.org/stable/c/34ba4f29f3d9eb52dee37512059efb2afd7e966fRefgit.kernel.org/stable/c/3939d787139e359b77aaf9485d1e145d6713d7b9Refgit.kernel.org/stable/c/3a3be7ff9224f424e485287b54be00d2c6bd9c40Refgit.kernel.org/stable/c/3d89d0c4a1c6d4d2a755e826351b0a101dbc86f3Refgit.kernel.org/stable/c/cbb9a969fc190e85195d1b0f08038e7f6199044eRefgit.kernel.org/stable/c/f5dda8db382c5751c4e572afc7c99df7da1f83caReflists.debian.org/debian-lts-announce/2024/10/msg00003.htmlReflists.debian.org/debian-lts-announce/2025/01/msg00001.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-44999?

CVE-2024-44999 is a high-severity vulnerability. It was published on September 4, 2024 and has a CVSS 3.1 base score of 7.1 (HIGH).

How severe is CVE-2024-44999?

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-44999?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-44999?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-44999 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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