CVE-2022-49388
ubi: ubi_create_volume: Fix use-after-free when volume creation failed
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: ubi: ubi_create_volume: Fix use-after-free when volume creation failed There is an use-after-free problem for 'eba_tbl' in ubi_create_volume()'s error handling path: ubi_eba_replace_table(vol, eba_tbl) vol->eba_tbl = tbl out_mapping: ubi_eba_destroy_table(eba_tbl) // Free 'eba_tbl' out_unlock: put_device(&vol->dev) vol_release kfree(tbl->entries) // UAF Fix it by removing redundant 'eba_tbl' releasing. Fetch a reproducer in [Link].
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Feb 26, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec < 25ff1e3a1351c0d936dd1ac2f9e58231ea1510c9 493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec < abb67043060f2bf4c03d7c3debb9ae980e2b6db3 493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec < 8302620aeb940f386817321d272b12411ae7d39f 493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec < 6d8d3f68cbecfd31925796f0fb668eb21ab06734 493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec < 5ff2514e4fb55dcf3d88294686040ca73ea0c1a2 493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec < e27ecf325e51abd06aaefba57a6322a46fa4178b 493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec < 1174ab8ba36a48025b68b5ff1085000b1e510217 493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec < 8c03a1c21d72210f81cb369cc528e3fde4b45411
Linux / Linux
4.12
References
git.kernel.org: https://git.kernel.org/stable/c/25ff1e3a1351c0d936dd1ac2f9e58231ea1510c9 git.kernel.org: https://git.kernel.org/stable/c/abb67043060f2bf4c03d7c3debb9ae980e2b6db3 git.kernel.org: https://git.kernel.org/stable/c/8302620aeb940f386817321d272b12411ae7d39f git.kernel.org: https://git.kernel.org/stable/c/6d8d3f68cbecfd31925796f0fb668eb21ab06734 git.kernel.org: https://git.kernel.org/stable/c/5ff2514e4fb55dcf3d88294686040ca73ea0c1a2 git.kernel.org: https://git.kernel.org/stable/c/e27ecf325e51abd06aaefba57a6322a46fa4178b git.kernel.org: https://git.kernel.org/stable/c/1174ab8ba36a48025b68b5ff1085000b1e510217 git.kernel.org: https://git.kernel.org/stable/c/8c03a1c21d72210f81cb369cc528e3fde4b45411