CVE-2024-53206 - CVE House
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Status published Unknown CVE-2024-53206

tcp: Fix use-after-free of nreq in reqsk_timer_handler().

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix use-after-free of nreq in reqsk_timer_handler(). The cited commit replaced inet_csk_reqsk_queue_drop_and_put() with __inet_csk_reqsk_queue_drop() and reqsk_put() in reqsk_timer_handler(). Then, oreq should be passed to reqsk_put() instead of req; otherwise use-after-free of nreq could happen when reqsk is migrated but the retry attempt failed (e.g. due to timeout). Let's pass oreq to reqsk_put().

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
8459d61fbf24967839a70235165673148c7c7f17, 5071beb59ee416e8ab456ac8647a4dabcda823b1, 997ae8da14f1639ce6fb66a063dab54031cd61b3, 51e34db64f4e43c7b055ccf881b7f3e0c31bb26d, e8c526f2bdf1845bedaf6a478816a3d06fa78b8f, 106e457953315e476b3642ef24be25ed862aaba3, c964bf65f80a14288d767023a1b300b30f5b9cd0, 5.15.170, 6.1.115, 6.6.59, 6.11.6, 5.4.293, 5.10.237, 6.12, 0, 5.15.174, 6.1.120, 6.6.64, 6.11.11, 6.12.2, 6.13

Timeline

Official Publish: December 27th, 2024
Last Modified: May 23rd, 2026
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.