CVE-2026-80639
N/A
N/A
Summary
In the Linux kernel, the following vulnerability has been resolved:
cxl/test: Fix __fortify_panic
Fix a runtime assertion in setup_xor_mapping(). Fortify complains that it is potentially overflowing the xormaps array per __counted_by(nr_maps). Quiet the false positive by initializing @nr_maps earlier.
memcpy: detected buffer overflow: 32 byte write of buffer size 0 WARNING: lib/string_helpers.c:1036 at __fortify_report+0x4d/0xa0, CPU#8: modprobe/2728 Call Trace: __fortify_panic+0xd/0xf setup_xor_mapping+0x6c/0xa0 [cxl_translate]
[ dj: Fixed up @nr_entries to @nr_maps in commit log. ]
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 06377c54a133621d61fa76cdcea85077c5b958f4 < 8c4f27a7f364eab514d2fa55c11f39d505122f1b | affected |
| Linux | Linux | 06377c54a133621d61fa76cdcea85077c5b958f4 < 08326b92c7a414a73b5b308d1daf0e91e0134dfc | affected |
| Linux | Linux | 6.19 | affected |
| Linux | Linux | 0 < 6.19 | unaffected |
| Linux | Linux | 7.1.5 <= 7.1.* | unaffected |
| Linux | Linux | 7.2 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/8c4f27a7f364eab514d2fa55c11f39d505122f1b
- https://git.kernel.org/stable/c/08326b92c7a414a73b5b308d1daf0e91e0134dfc
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