CVE-2023-53716 - CVE House
Back to Database
Status published Unknown CVE-2023-53716

net: fix skb leak in __skb_tstamp_tx()

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: net: fix skb leak in __skb_tstamp_tx() Commit 50749f2dd685 ("tcp/udp: Fix memleaks of sk and zerocopy skbs with TX timestamp.") added a call to skb_orphan_frags_rx() to fix leaks with zerocopy skbs. But it ended up adding a leak of its own. When skb_orphan_frags_rx() fails, the function just returns, leaking the skb it just cloned. Free it before returning. This bug was discovered and resolved using Coverity Static Analysis Security Testing (SAST) by Synopsys, Inc.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

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

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-53716

Credits & Attribution

No credits recorded in the NVD database.

References

More from Linux

View All →
CVE-2025-71315
drm/vkms: Convert to DRM's vblank timer
Unknown 0
CVE-2025-71314
drm/panthor: Recover from panthor_gpu_flush_caches() failures
Unknown 0
CVE-2025-71313
PCI: endpoint: Add missing NULL check for alloc_workqueue()
Unknown 0
CVE-2025-71312
fs/ntfs3: fix ntfs_mount_options leak in ntfs_fill_super()
Unknown 0
CVE-2025-71311
fs/ntfs3: Initialize new folios before use
Unknown 0

Affected Vendor

Affected Software

Linux
Vulnerable Versions:
281072fb2a7294cde7acbf5375b879f40a8001b7, 1f69c086b20e27763af28145981435423f088268, 602fa8af44fd55a58f9e94eb673e8adad2c6cc46, 230a5ed7d813fb516de81d23f09d7506753e41e9, 43e4197dd5f6b474a8b16f8b6a42cd45cf4f9d1a, cb52e7f24c1d01a536a847dff0d1d95889cc3b5c, 426384dd4980040651536fef5feac4dcc4d7ee4e, 50749f2dd6854a41830996ad302aef2ffaf011d8, 30290f210ba7426ff7592fe2eb4114b1b5bad219, 6.2.15, 4.14.315, 4.19.283, 5.4.243, 5.10.180, 5.15.111, 6.1.28, 6.3.2

Timeline

Official Publish: October 22nd, 2025
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.