Improper locking in Linux kernel sched



Published: 2024-06-08
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-35892
CWE-ID CWE-667
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper locking

EUVDB-ID: #VU91446

Risk: Low

CVSSv3.1: 4.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-35892

CWE-ID: CWE-667 - Improper Locking

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the qdisc_tree_reduce_backlog() function in net/sched/sch_api.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

CPE2.3
External links

http://git.kernel.org/stable/c/b7d1ce2cc7192e8a037faa3f5d3ba72c25976460
http://git.kernel.org/stable/c/c040b99461a5bfc14c2d0cbb1780fcc3a4706c7e
http://git.kernel.org/stable/c/07696415526bee0607e495017369c7303a4792e1
http://git.kernel.org/stable/c/7eb322360b0266481e560d1807ee79e0cef5742b


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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