CVE-2024-39469
Linux Nilfs2 Directory Read Vulnerability
Description
In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix nilfs_empty_dir() misjudgment and long loop on I/O errors The error handling in nilfs_empty_dir() when a directory folio/page read fails is incorrect, as in the old ext2 implementation, and if the folio/page cannot be read or nilfs_check_folio() fails, it will falsely determine the directory as empty and corrupt the file system. In addition, since nilfs_empty_dir() does not immediately return on a failed folio/page read, but continues to loop, this can cause a long loop with I/O if i_size of the directory's inode is also corrupted, causing the log writer thread to wait and hang, as reported by syzbot. Fix these issues by making nilfs_empty_dir() immediately return a false value (0) if it fails to get a directory folio/page.
INFO
Published Date :
June 25, 2024, 3:15 p.m.
Last Modified :
Nov. 21, 2024, 9:27 a.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
Exploitability Score :
References to Advisories, Solutions, and Tools
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CVE-2024-39469.
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).
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The following list is the news that have been mention
CVE-2024-39469 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2024-39469 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.
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CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/11a2edb70356a2202dcb7c9c189c8356ab4752cd Added Reference https://git.kernel.org/stable/c/129dcd3e7d036218db3f59c82d82004b9539ed82 Added Reference https://git.kernel.org/stable/c/2ac8a2fe22bdde9eecce2a42cf5cab79333fb428 Added Reference https://git.kernel.org/stable/c/405b71f1251e5ae865f53bd27c45114e6c83bee3 Added Reference https://git.kernel.org/stable/c/59f14875a96ef93f05b82ad3c980605f2cb444b5 Added Reference https://git.kernel.org/stable/c/7373a51e7998b508af7136530f3a997b286ce81c Added Reference https://git.kernel.org/stable/c/c77ad608df6c091fe64ecb91f41ef7cb465587f1 Added Reference https://git.kernel.org/stable/c/d18b05eda7fa77f02114f15b02c009f28ee42346 -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jul. 05, 2024
Action Type Old Value New Value Added Reference kernel.org https://git.kernel.org/stable/c/2ac8a2fe22bdde9eecce2a42cf5cab79333fb428 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/405b71f1251e5ae865f53bd27c45114e6c83bee3 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/c77ad608df6c091fe64ecb91f41ef7cb465587f1 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/11a2edb70356a2202dcb7c9c189c8356ab4752cd [No types assigned] -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 25, 2024
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix nilfs_empty_dir() misjudgment and long loop on I/O errors The error handling in nilfs_empty_dir() when a directory folio/page read fails is incorrect, as in the old ext2 implementation, and if the folio/page cannot be read or nilfs_check_folio() fails, it will falsely determine the directory as empty and corrupt the file system. In addition, since nilfs_empty_dir() does not immediately return on a failed folio/page read, but continues to loop, this can cause a long loop with I/O if i_size of the directory's inode is also corrupted, causing the log writer thread to wait and hang, as reported by syzbot. Fix these issues by making nilfs_empty_dir() immediately return a false value (0) if it fails to get a directory folio/page. Added Reference kernel.org https://git.kernel.org/stable/c/129dcd3e7d036218db3f59c82d82004b9539ed82 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/d18b05eda7fa77f02114f15b02c009f28ee42346 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/59f14875a96ef93f05b82ad3c980605f2cb444b5 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/7373a51e7998b508af7136530f3a997b286ce81c [No types assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-39469 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-2024-39469
weaknesses.