What’s Vulnerable › Vulnerabilities

CVE-2024-35834: xsk: recycle buffer in case Rx queue was full

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-17 · updated 2026-08-04
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: xsk: recycle buffer in case Rx queue was full Add missing xsk_buff_free() call when __xsk_rcv_zc() failed to produce descriptor to XSK Rx queue.

Affected products

• Linux kernel: from 6.6 before 6.6.15; from 6.7 before 6.7.3; 6.8-rc1 — fixed in 6.6.15, 6.7.3

How to fix

Upgrade to a fixed version: Linux kernel 6.6.15, 6.7.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/269009893146c495f41e9572dd9319e787c2eba9
• https://git.kernel.org/stable/c/7b4d93d31aade99210d41cd9d4cbd2957c98bc8c
• https://git.kernel.org/stable/c/cce713664548284daf977739e7ff1cd59e84189c
• https://git.kernel.org/stable/c/269009893146c495f41e9572dd9319e787c2eba9
• https://git.kernel.org/stable/c/7b4d93d31aade99210d41cd9d4cbd2957c98bc8c
• https://git.kernel.org/stable/c/cce713664548284daf977739e7ff1cd59e84189c

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