CVE-2023-53506
udf: Do not bother merging very long extents
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: udf: Do not bother merging very long extents When merging very long extents we try to push as much length as possible to the first extent. However this is unnecessarily complicated and not really worth the trouble. Furthermore there was a bug in the logic resulting in corrupting extents in the file as syzbot reproducer shows. So just don't bother with the merging of extents that are too long together.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Oct 1, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < d52252a1de4cf96a34f722b0cd8902d8ff78eb57 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 5d029799d381a9ee06209a222cae75f04c5d5304 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 3d20e3b768aff32112bdce8d3219d923ae75f9f1 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 965982feb333aefa9256c0fe188b5f1b958aef63 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 9a8d602f0723586e668bae7e65c832ceb9bcc8bc 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < adac9ac6d2e04ea0782b91a00ba10706002f3ec4 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 7a965da79f2d22601f329cbfce588386b0847544 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 53cafe1d6d8ef9f93318e5bfccc0d24f27d41ced
Linux / Linux
2.6.12
References
git.kernel.org: https://git.kernel.org/stable/c/d52252a1de4cf96a34f722b0cd8902d8ff78eb57 git.kernel.org: https://git.kernel.org/stable/c/5d029799d381a9ee06209a222cae75f04c5d5304 git.kernel.org: https://git.kernel.org/stable/c/3d20e3b768aff32112bdce8d3219d923ae75f9f1 git.kernel.org: https://git.kernel.org/stable/c/965982feb333aefa9256c0fe188b5f1b958aef63 git.kernel.org: https://git.kernel.org/stable/c/9a8d602f0723586e668bae7e65c832ceb9bcc8bc git.kernel.org: https://git.kernel.org/stable/c/adac9ac6d2e04ea0782b91a00ba10706002f3ec4 git.kernel.org: https://git.kernel.org/stable/c/7a965da79f2d22601f329cbfce588386b0847544 git.kernel.org: https://git.kernel.org/stable/c/53cafe1d6d8ef9f93318e5bfccc0d24f27d41ced