CVE-2024-36030: octeontx2-af: fix the double free in rvu_npc_freemem()
First published: Thu May 30 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: fix the double free in rvu_npc_freemem() Clang static checker(scan-build) warning： drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c:line 2184, column 2 Attempt to free released memory. npc_mcam_rsrcs_deinit() has released 'mcam->counters.bmap'. Deleted this redundant kfree() to fix this double free problem.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <6.8.9 | 6.8.9 |
| redhat/kernel | <6.9 | 6.9 |
| Linux Kernel | >=6.8<6.8.9 | |
| Linux Kernel | =6.9-rc1 | |
| Linux Kernel | =6.9-rc2 | |
| Linux Kernel | =6.9-rc3 | |
| Linux Kernel | =6.9-rc4 | |
| Linux Kernel | =6.9-rc5 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.128-1 6.12.21-1 6.12.22-1 |
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Reference Links
- https://git.kernel.org/stable/c/6e965eba43e9724f3e603d7b7cc83e53b23d155e
- https://git.kernel.org/stable/c/f5aa87a2c0a72132ffc793fb0a5375b2a65d520a
- https://launchpad.net/bugs/cve/CVE-2024-36030
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-36030
- https://nvd.nist.gov/vuln/detail/CVE-2024-36030
- https://security-tracker.debian.org/tracker/CVE-2024-36030
- https://ubuntu.com/security/CVE-2024-36030
- https://git.kernel.org/linus/6e965eba43e9724f3e603d7b7cc83e53b23d155e
- https://access.redhat.com/security/cve/CVE-2024-36030
- https://lore.kernel.org/linux-cve-announce/2024053057-CVE-2024-36030-51dc@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2284296
- https://access.redhat.com/errata/RHSA-2024:9315
- https://bugzilla.redhat.com/show_bug.cgi?id=2284295
Frequently Asked Questions
What is the severity of CVE-2024-36030?
CVE-2024-36030 is classified with a high severity due to the potential for double free vulnerabilities leading to memory corruption.
How do I fix CVE-2024-36030?
To resolve CVE-2024-36030, update the kernel to version 6.8.9 or 6.9 for Red Hat, or to specific versions 5.10.223-1, 5.10.226-1, 6.1.123-1, 6.1.128-1, or 6.12.12-1 for Debian.
What systems are affected by CVE-2024-36030?
CVE-2024-36030 affects certain versions of the Linux kernel including Red Hat kernel versions before 6.8.9 and 6.9, and Debian Linux versions as specified.
What type of vulnerability is CVE-2024-36030?
CVE-2024-36030 is a memory management vulnerability, specifically a double free issue in the Linux kernel.
Is CVE-2024-36030 still exploitable if the system is updated?
No, updating to the fixed kernel versions will mitigate the exploitation risk associated with CVE-2024-36030.
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