Linux Kernel btrfs fs/btrfs/ctree.c btrfs_search_slot use after free

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel. It has been classified as problematic. The impacted element is the function btrfs_search_slot of the file fs/btrfs/ctree.c of the component btrfs. This manipulation causes use after free. This vulnerability appears as CVE-2023-1611. There is no available exploit. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as problematic was found in Linux Kernel (Operating System) (unknown version). Affected by this vulnerability is the function btrfs_search_slot of the file fs/btrfs/ctree.c of the component btrfs. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A use-after-free flaw was found in btrfs_search_slot in fs/btrfs/ctree.c in btrfs in the Linux Kernel.This flaw allows an attacker to crash the system and possibly cause a kernel information lea

The weakness was presented 04/04/2023. It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is known as CVE-2023-1611 since 03/23/2023. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 240010 (TencentOS Server 2: kernel (TSSA-2024:1031)), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at lore.kernel.org.

The vulnerability is also documented in the vulnerability database at Tenable (240010). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.3
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
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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Nessus ID: 240010
Nessus Name: TencentOS Server 2: kernel (TSSA-2024:1031)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: lore.kernel.org

Timelineinfo

03/23/2023 🔍
04/04/2023 +11 days 🔍
04/04/2023 +0 days 🔍
06/17/2025 +805 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: FEDORA-2023-98251cef79
Status: Confirmed

CVE: CVE-2023-1611 (🔍)
GCVE (CVE): GCVE-0-2023-1611
GCVE (VulDB): GCVE-100-224803

Entryinfo

Created: 04/04/2023 08:52
Updated: 06/17/2025 15:53
Changes: 04/04/2023 08:52 (41), 04/21/2023 16:42 (1), 04/21/2023 16:49 (11), 06/17/2025 15:53 (17)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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