CVE-2024-57839
Vulnerability Scoring
Attack Complexity Details
- Attack Complexity: Analysis in progress
- Attack Vector: Analysis in progress
- Privileges Required: Analysis in progress
CIA Impact Definition
- Confidentiality:
- Integrity:
- Availability:
CVE-2024-57839 Vulnerability Summary
In the Linux kernel, the following vulnerability has been resolved: Revert "readahead: properly shorten readahead when falling back to do_page_cache_ra()" This reverts commit 7c877586da3178974a8a94577b6045a48377ff25. Anders and Philippe have reported that recent kernels occasionally hang when used with NFS in readahead code. The problem has been bisected to 7c877586da3 ("readahead: properly shorten readahead when falling back to do_page_cache_ra()"). The cause of the problem is that ra->size can be shrunk by read_pages() call and subsequently we end up calling do_page_cache_ra() with negative (read huge positive) number of pages. Let's revert 7c877586da3 for now until we can find a proper way how the logic in read_pages() and page_cache_ra_order() can coexist. This can lead to reduced readahead throughput due to readahead window confusion but that's better than outright hangs.
Access Complexity Graph for CVE-2024-57839
Impact Analysis for CVE-2024-57839
CVE-2024-57839: Detailed Information and External References
EPSS
0.00043
EPSS %
0.11479
References
0.00043
- https://git.kernel.org/stable/c/85351e4941a253e4c50fb7048bfc19b60b4ec44b
- https://git.kernel.org/stable/c/a220d6b95b1ae12c7626283d7609f0a1438e6437
CWE
Unknown
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