CVE-2024-1151: Red Hat Enterprise Linux 9 · Stack-based Buffer Overflow
Affects Red Hat Enterprise Linux 9Source CVE Database V5
Not known to be exploited · CVSS 5.5 Medium.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 19% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 11 Feb 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
AI-suggested
To mitigate CVE-2024-1151, organizations should monitor Red Hat advisories closely and apply kernel updates or patches addressing the OVS stack overflow as soon as they become available. Until patches are deployed, restricting local access to trusted users and processes can reduce exploitation risk. Disabling or limiting the use of Open vSwitch where feasible can also minimize exposure. Implementing kernel-level security modules such as SELinux or AppArmor with strict policies on OVS operations may help contain potential misuse. Regularly auditing system logs for unusual OVS activity or crashes can provide early detection of exploitation attempts. Additionally, testing patches in staging environments before production deployment ensures stability and compatibility. Network segmentation and limiting administrative access further reduce the attack surface related to local privilege exploitation.
Description
A vulnerability was reported in the Open vSwitch sub-component in the Linux Kernel. The flaw occurs when a recursive operation of code push recursively calls into the code block. The OVS module does not validate the stack depth, pushing too many frames and causing a stack overflow. As a result, this can lead to a crash or other related issues.
References
- access.redhat.com/errata/RHSA-2024:4823 (opens in a new tab)
- access.redhat.com/errata/RHSA-2024:4831 (opens in a new tab)
- access.redhat.com/errata/RHSA-2024:9315 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2024-1151 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2262241 (opens in a new tab)
- lore.kernel.org/all/20240207132416.1488485-1-aconole@redhat.com/ (opens in a new tab)
- lists.debian.org/debian-lts-announce/2024/06/msg00017.html (opens in a new tab)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3LZROQAX7Q7LEP4F7WQ3KUZKWCZGFFP2/ (opens in a new tab)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GS7S3XLTLOUKBXV67LLFZWB3YVFJZHRK/ (opens in a new tab)