CVE-2024-49888: Linux kernel · bpf: Fix a sdiv overflow issue
Affects Linux kernelSource GCVE Database
Not known to be exploited · CVSS 5.5 Medium · fixed in 6.8.0-1023.25~22.04.1 : update Linux kernel when convenient.
Data as of 12 Nov 2026, 19:19 UTC
- Patch
- Available – fixed in 6.8.0-1023.25~22.04.1, 6.8.0-1025.30~22.04.1, 6.8.0-1024.26~22.04.1 +29
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 21 Oct 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: 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 12 Nov 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Patches and advisories
- ubuntu.com/security/notices/USN-7276-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7277-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7301-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7303-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7304-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7303-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-7310-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7311-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7303-3 (opens in a new tab)
- ubuntu.com/security/notices/USN-7384-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7385-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7386-1 (opens in a new tab)
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 24.04 LTSlinuxpkg:deb/ubuntu/linux?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSlinux-awspkg:deb/ubuntu/linux-aws?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSlinux-azurepkg:deb/ubuntu/linux-azure?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSlinux-azure-6.11pkg:deb/ubuntu/linux-azure-6.11?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSlinux-azure-nvidiapkg:deb/ubuntu/linux-azure-nvidia?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSlinux-gcppkg:deb/ubuntu/linux-gcp?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
A patch is available and included in Linux kernel versions 6.8.0 and later, as well as specific patched older versions. Users and administrators should update to these fixed kernel versions to remediate the issue. No additional mitigation is required beyond applying the official kernel updates.
Description
CVE-2024-49888 is a vulnerability in the Linux kernel's BPF subsystem involving a signed division (sdiv) overflow that can cause kernel crashes. The issue arises from division operations where the divisor is -1, leading to exceptions on x86_64 architectures due to integer overflow conditions. The vulnerability affects multiple Linux kernel versions prior to 6.8.0 and specific older versions. A patch has been released to handle these edge cases safely by adjusting the division and modulo operations in BPF programs.
References
- ubuntu.com/security/CVE-2024-49888 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2024-49888 (opens in a new tab)
- git.kernel.org/linus/7dd34d7b7dcf9309fc6224caf4dd5b35bedddcb7 (opens in a new tab)
- git.kernel.org/stable/c/4902a6a0dc593c82055fc8c9ada371bafe26c9cc (opens in a new tab)
- git.kernel.org/stable/c/d22e45a369afc7c28f11acfa5b5e8e478227ca5d (opens in a new tab)
- git.kernel.org/stable/c/7dd34d7b7dcf9309fc6224caf4dd5b35bedddcb7 (opens in a new tab)
- ubuntu.com/security/notices/USN-7276-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7277-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7301-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7303-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7304-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7303-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-7310-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7311-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7303-3 (opens in a new tab)
- ubuntu.com/security/notices/USN-7384-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7385-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7386-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7384-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-7403-1 (opens in a new tab)