CVE-2023-52810
Published: May 21, 2024
Modified: May 11, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: fs/jfs: Add check for negative db_l2nbperpage l2nbperpage is log2(number of blks per page), and the minimum legal value should be 0, not negative. In the case of l2nbperpage being negative, an error will occur when subsequently used as shift exponent. Syzbot reported this bug: UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:799:12 shift exponent -16777216 is negative
| Vendor | Product | Versions |
|---|---|---|
Linux | Linux | affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - < cc61fcf7d1c99f148fe8ddfb5c6ed0bb75861f01affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - < 8f2964df6bfce9d92d81ca552010b8677af8d9dcaffected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - < a81a56b4cbe3142cc99f6b98e8f9b3a631c768e1affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - < 524b4f203afcf87accfe387e846f33f916f0c907affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - < 5f148b16972e5f4592629b244d5109b15135f53f+4 more versions |
Linux | Linux | affected 2.6.12unaffected 0 - < 2.6.12unaffected 4.14.331 - <= 4.14.*unaffected 4.19.300 - <= 4.19.*unaffected 5.4.262 - <= 5.4.*+6 more versions |
References
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