Linux Kernel up to 6.9.3 SUNRPC gss_free_in_token_pages pages[] infinite loop

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Linux Kernel up to 6.9.3. This affects the function gss_free_in_token_pages of the component SUNRPC. Such manipulation of the argument pages[] leads to infinite loop. This vulnerability is traded as CVE-2024-36288. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 6.9.3. Affected by this issue is the function gss_free_in_token_pages of the component SUNRPC. The manipulation of the argument pages[] with an unknown input leads to a infinite loop vulnerability. Using CWE to declare the problem leads to CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. Impacted is availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fix loop termination condition in gss_free_in_token_pages() The in_token->pages[] array is not NULL terminated. This results in the following KASAN splat: KASAN: maybe wild-memory-access in range [0x04a2013400000008-0x04a201340000000f]

The advisory is available at git.kernel.org. This vulnerability is handled as CVE-2024-36288. Technical details are known, but there is no available exploit.

Upgrading to version 6.9.4 or 6.10-rc1 eliminates this vulnerability. Applying the patch 57ff6c0a1759/6ed45d20d300/4cefcd0af745/b4878ea99f2b/f9977e4e0cd9/af628d43a822/0a1cb0c6102b/4a77c3dead97 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.

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Productinfo

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Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Infinite loop
CWE: CWE-835 / 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 6.9.4/6.10-rc1
Patch: 57ff6c0a1759/6ed45d20d300/4cefcd0af745/b4878ea99f2b/f9977e4e0cd9/af628d43a822/0a1cb0c6102b/4a77c3dead97

Timelineinfo

06/21/2024 🔍
06/21/2024 +0 days 🔍
06/25/2024 +3 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2024-36288 (🔍)
GCVE (CVE): GCVE-0-2024-36288
GCVE (VulDB): GCVE-100-269354

Entryinfo

Created: 06/21/2024 14:03
Updated: 06/25/2024 00:17
Changes: 06/21/2024 14:03 (58), 06/25/2024 00:17 (11)
Complete: 🔍
Cache ID: 216::103

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