5.5
MEDIUM
CVE-2024-43885
Btrfs Double Inode Unlock Vulnerability
Description

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix double inode unlock for direct IO sync writes If we do a direct IO sync write, at btrfs_sync_file(), and we need to skip inode logging or we get an error starting a transaction or an error when flushing delalloc, we end up unlocking the inode when we shouldn't under the 'out_release_extents' label, and then unlock it again at btrfs_direct_write(). Fix that by checking if we have to skip inode unlocking under that label.

INFO

Published Date :

Aug. 26, 2024, 11:15 a.m.

Last Modified :

Aug. 27, 2024, 2:37 p.m.

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2024-43885 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2024-43885 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2024-43885 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Aug. 27, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://git.kernel.org/stable/c/1a607d22dea4f60438747705495ec4d0af2ec451 No Types Assigned https://git.kernel.org/stable/c/1a607d22dea4f60438747705495ec4d0af2ec451 Patch
    Changed Reference Type https://git.kernel.org/stable/c/7ba27f14161fc20c4fc0051658a22ddd832eb0aa No Types Assigned https://git.kernel.org/stable/c/7ba27f14161fc20c4fc0051658a22ddd832eb0aa Patch
    Changed Reference Type https://git.kernel.org/stable/c/8bd4c9220416111500c275546c69c63d42185793 No Types Assigned https://git.kernel.org/stable/c/8bd4c9220416111500c275546c69c63d42185793 Patch
    Changed Reference Type https://git.kernel.org/stable/c/d924a0be2f218501588cf463d70f1c71afea06d9 No Types Assigned https://git.kernel.org/stable/c/d924a0be2f218501588cf463d70f1c71afea06d9 Patch
    Changed Reference Type https://git.kernel.org/stable/c/e0391e92f9ab4fb3dbdeb139c967dcfa7ac4b115 No Types Assigned https://git.kernel.org/stable/c/e0391e92f9ab4fb3dbdeb139c967dcfa7ac4b115 Patch
    Added CWE NIST CWE-667
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*
  • CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Aug. 26, 2024

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: btrfs: fix double inode unlock for direct IO sync writes If we do a direct IO sync write, at btrfs_sync_file(), and we need to skip inode logging or we get an error starting a transaction or an error when flushing delalloc, we end up unlocking the inode when we shouldn't under the 'out_release_extents' label, and then unlock it again at btrfs_direct_write(). Fix that by checking if we have to skip inode unlocking under that label.
    Added Reference kernel.org https://git.kernel.org/stable/c/1a607d22dea4f60438747705495ec4d0af2ec451 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/8bd4c9220416111500c275546c69c63d42185793 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/7ba27f14161fc20c4fc0051658a22ddd832eb0aa [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/d924a0be2f218501588cf463d70f1c71afea06d9 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/e0391e92f9ab4fb3dbdeb139c967dcfa7ac4b115 [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2024-43885 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2024-43885 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
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