In the Linux kernel, the following vulnerability has been resolved: net: lan743x: Fix memleak issue when GSO enabled Always map the `skb` to the LS descriptor. Previously skb was mapped to EXT descriptor when the number of fragments is zero with GSO enabled. Mapping the skb to EXT descriptor prevents it from being freed, leading to a memory leak

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Linux
  • Linux Kernel

No data.

No data.

References
Link Providers
https://git.kernel.org/stable/c/093855ce90177488eac772de4eefbb909033ce5f cve-icon cve-icon
https://git.kernel.org/stable/c/189b05f189cac9fd233ef04d31cb5078c4d09c39 cve-icon cve-icon
https://git.kernel.org/stable/c/2d52e2e38b85c8b7bc00dca55c2499f46f8c8198 cve-icon cve-icon
https://git.kernel.org/stable/c/6c65ee5ad632eb8dcd3a91cf5dc99b22535f44d9 cve-icon cve-icon
https://git.kernel.org/stable/c/a0e0efbabbbe6a1859bc31bf65237ce91e124b9b cve-icon cve-icon
https://git.kernel.org/stable/c/dae1ce27ceaea7e1522025b15252e3cc52802622 cve-icon cve-icon
https://git.kernel.org/stable/c/df993daa4c968b4b23078eacc248f6502ede8664 cve-icon cve-icon
https://git.kernel.org/stable/c/f42c18e2f14c1b1fdd2a5250069a84bc854c398c cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html cve-icon
https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html cve-icon
https://lore.kernel.org/linux-cve-announce/2025052058-CVE-2025-37909-f6da@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-37909 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-37909 cve-icon
History

Mon, 03 Nov 2025 20:30:00 +0000

Type Values Removed Values Added
References

Mon, 03 Nov 2025 18:30:00 +0000

Type Values Removed Values Added
References

Mon, 14 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00061}

 epss

{'score': 0.00051}

Wed, 09 Jul 2025 16:00:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.0, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

threat_severity

Moderate

 cvssV3_1

{'score': 3.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L'}

threat_severity

Low

Wed, 04 Jun 2025 13:00:00 +0000

Type Values Removed Values Added
References

Wed, 21 May 2025 03:00:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 cvssV3_1

{'score': 7.0, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

threat_severity

Moderate

Tue, 20 May 2025 15:30:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: net: lan743x: Fix memleak issue when GSO enabled Always map the `skb` to the LS descriptor. Previously skb was mapped to EXT descriptor when the number of fragments is zero with GSO enabled. Mapping the skb to EXT descriptor prevents it from being freed, leading to a memory leak
Title net: lan743x: Fix memleak issue when GSO enabled
References
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2025-05-20T15:21:41.804Z

Updated: 2025-11-03T19:57:10.900Z

Reserved: 2025-04-16T04:51:23.967Z

Link: CVE-2025-37909

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-05-20T16:15:27.390

Modified: 2025-11-03T20:18:40.877

Link: CVE-2025-37909

cve-icon Redhat

Severity : Low

Publid Date: 2025-05-20T00:00:00Z

Links: CVE-2025-37909 - Bugzilla