Linux Kernel up to 6.2.2 net skb_over_panic allocation of resources

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4.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.2.2. It has been declared as critical. This vulnerability affects the function skb_over_panic of the component net. Executing a manipulation can lead to allocation of resources. This vulnerability appears as CVE-2023-53535. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Linux Kernel up to 6.2.2. This vulnerability affects the function skb_over_panic of the component net. The manipulation with an unknown input leads to a allocation of resources vulnerability. The CWE definition for the vulnerability is CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. The impact remains unknown. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: net: bcmgenet: Add a check for oversized packets Occasionnaly we may get oversized packets from the hardware which exceed the nomimal 2KiB buffer size we allocate SKBs with. Add an early check which drops the packet to avoid invoking skb_over_panic() and move on to processing the next packet.

The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2023-53535 since 10/04/2025. The exploitation appears to be difficult. There are known technical details, but no exploit is available.

Upgrading to version 4.14.308, 4.19.276, 5.4.235, 5.10.173, 5.15.99, 6.1.16 or 6.2.3 eliminates this vulnerability. Applying the patch 7cdb07e10c1258c08f31b24898930e4ece88d163/c34b1c0870323649d45c5074828d7f754dea2673/87363d1ab55e497702a9506ff423c422639c8a25/841881320562cbeac7046b537b91cd000480cea2/124ca24e0de958d2e20e0aa1e2434af7b72f8887/5f56767fb5f2df875b6553e08dbec6a45431c988/411317d2a4a7d6049d8efeef0d32ae43f8baefce/5c0862c2c962052ed5055220a00ac1cefb92fbcd is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at EUVD (EUVD-2023-60073) and CERT Bund (WID-SEC-2025-2194). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Google Container-Optimized OS
  • Debian Linux
  • Google Cloud Platform
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • SUSE openSUSE
  • Open Source Linux Kernel
  • RESF Rocky Linux
  • NetApp ActiveIQ Unified Manager
  • IBM QRadar SIEM
  • Dell NetWorker

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.9

VulDB Base Score: 4.6
VulDB Temp Score: 4.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Allocation of resources
CWE: CWE-770 / CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 4.14.308/4.19.276/5.4.235/5.10.173/5.15.99/6.1.16/6.2.3
Patch: 7cdb07e10c1258c08f31b24898930e4ece88d163/c34b1c0870323649d45c5074828d7f754dea2673/87363d1ab55e497702a9506ff423c422639c8a25/841881320562cbeac7046b537b91cd000480cea2/124ca24e0de958d2e20e0aa1e2434af7b72f8887/5f56767fb5f2df875b6553e08dbec6a45431c988/411317d2a4a7d6049d8efeef0d32ae43f8baefce/5c0862c2c962052ed5055220a00ac1cefb92fbcd

Timelineinfo

10/04/2025 Advisory disclosed
10/04/2025 +0 days CVE reserved
10/04/2025 +0 days VulDB entry created
03/01/2026 +148 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-53535 (🔒)
GCVE (CVE): GCVE-0-2023-53535
GCVE (VulDB): GCVE-100-327088
EUVD: 🔒
CERT Bund: WID-SEC-2025-2194 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 10/04/2025 18:04
Updated: 03/01/2026 22:08
Changes: 10/04/2025 18:04 (59), 10/05/2025 06:38 (1), 11/23/2025 13:19 (7), 12/26/2025 09:03 (1), 02/10/2026 01:39 (11), 03/01/2026 22:08 (1)
Complete: 🔍
Cache ID: 216::103

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