Linux Kernel up to 6.6.2 jfs array index

Summaryinfo

A vulnerability, which was classified as problematic, was found in Linux Kernel up to 6.6.2. Affected by this issue is some unknown functionality of the component jfs. The manipulation results in array index. This vulnerability is identified as CVE-2023-52805. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.6.2. It has been classified as problematic. Affected is some unknown functionality of the component jfs. The manipulation with an unknown input leads to a array index vulnerability. CWE is classifying the issue as CWE-129. The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array. The impact remains unknown. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: jfs: fix array-index-out-of-bounds in diAlloc Currently there is not check against the agno of the iag while allocating new inodes to avoid fragmentation problem. Added the check which is required.

The advisory is shared for download at git.kernel.org. This vulnerability is traded as CVE-2023-52805 since 05/21/2024. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/06/2025).

Upgrading to version 4.14.331, 4.19.300, 5.4.262, 5.10.202, 5.15.140, 6.1.64, 6.5.13 or 6.6.3 eliminates this vulnerability. Applying the patch 2308d0fb0dc3/cf7e3e84df36/7467ca10a5ff/1ba7df5457dc/64f062baf202/8c68af2af697/665b44e55c27/1708d0a9917f/05d9ea1ceb62 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 4.14.330
• 4.19.299
• 5.4.261
• 5.10.201
• 5.15.139
• 6.1.0
• 6.1.1
• 6.1.2
• 6.1.3
• 6.1.4
• 6.1.5
• 6.1.6
• 6.1.7
• 6.1.8
• 6.1.9
• 6.1.10
• 6.1.11
• 6.1.12
• 6.1.13
• 6.1.14
• 6.1.15
• 6.1.16
• 6.1.17
• 6.1.18
• 6.1.19
• 6.1.20
• 6.1.21
• 6.1.22
• 6.1.23
• 6.1.24
• 6.1.25
• 6.1.26
• 6.1.27
• 6.1.28
• 6.1.29
• 6.1.30
• 6.1.31
• 6.1.32
• 6.1.33
• 6.1.34
• 6.1.35
• 6.1.36
• 6.1.37
• 6.1.38
• 6.1.39
• 6.1.40
• 6.1.41
• 6.1.42
• 6.1.43
• 6.1.44
• 6.1.45
• 6.1.46
• 6.1.47
• 6.1.48
• 6.1.49
• 6.1.50
• 6.1.51
• 6.1.52
• 6.1.53
• 6.1.54
• 6.1.55
• 6.1.56
• 6.1.57
• 6.1.58
• 6.1.59
• 6.1.60
• 6.1.61
• 6.1.62
• 6.1.63
• 6.5.0
• 6.5.1
• 6.5.2
• 6.5.3
• 6.5.4
• 6.5.5
• 6.5.6
• 6.5.7
• 6.5.8
• 6.5.9
• 6.5.10
• 6.5.11
• 6.5.12
• 6.6.0
• 6.6.1
• 6.6.2

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Once again VulDB remains the best source for vulnerability data.

Discussion