Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix extent map use-after-free when adding pages to compressed bio At add_ra_bio_pages() we are accessing the extent map to calculate 'add_size' after we dropped our reference on the extent map, resulting in a use-after-free. Fix this by computing 'add_size' before dropping our extent map reference.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 6a4049102055250256623ab1875fabd89004bff8 before c1cc3326e27b0bd7a2806b40bc48e49afaf951e7; affected 6a4049102055250256623ab1875fabd89004bff8 before c205565e0f2f439f278a4a94ee97b67ef7b56ae8; affected 6a4049102055250256623ab1875fabd89004bff8 before b7859ff398b6b656e1689daa860eb34837b4bb89; affected 6a4049102055250256623ab1875fabd89004bff8 before 8e7860543a94784d744c7ce34b78a2e11beefa5c |
| Linux / Linux | affected 5.16; unaffected 0 before 5.16; unaffected 6.1.108 through 6.1.*; unaffected 6.6.44 through 6.6.*; unaffected 6.10.3 through 6.10.*; unaffected 6.11 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/c1cc3326e27b0bd7a2806b40bc48e49afaf951e7
- https://git.kernel.org/stable/c/c205565e0f2f439f278a4a94ee97b67ef7b56ae8
- https://git.kernel.org/stable/c/b7859ff398b6b656e1689daa860eb34837b4bb89
- https://git.kernel.org/stable/c/8e7860543a94784d744c7ce34b78a2e11beefa5c
ADP enrichment
No English description supplied.
No references supplied.
No English description supplied.