CVE-2024-36030 octeontx2-af: fix the double free in rvu_npc_freemem()

What is CVE-2024-36030?

CVE-2024-36030 is a high-severity use after free vulnerability in Linux kernel, published on 30 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Weakness: CWE-415

Which versions are affected by CVE-2024-36030?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-36030?

Apply the vendor's patch.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2024-36030 being exploited?

There is no known exploitation of CVE-2024-36030 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• How this page is made

Also known as BELL-CVE-2024-36030, UBUNTU-CVE-2024-36030.