CVE-2022-50749
acct: fix potential integer overflow in encode_comp_t()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: acct: fix potential integer overflow in encode_comp_t() The integer overflow is descripted with following codes: > 317 static comp_t encode_comp_t(u64 value) > 318 { > 319 int exp, rnd; ...... > 341 exp <<= MANTSIZE; > 342 exp += value; > 343 return exp; > 344 } Currently comp_t is defined as type of '__u16', but the variable 'exp' is type of 'int', so overflow would happen when variable 'exp' in line 343 is greater than 65535.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Dec 24, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < e93f995a591c352d35d89c518c54f790e1537754 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < cf60bbca1b83a7e0927e36dbf178328982927886 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 1750a0983c455a9b3badd848471fc8d58cb61f67 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < a815a3e019456c94b03bd183e7ac22fd29e9e6fd 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 6edd0cdee5780fd5f43356b72b29a2a6d48ef6da 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < ebe16676e1dcaa4556ec4d36ca40c82e99e88cfa 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 2224897d8187dc22a83e05d9361efcccf67bcf12 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 0aac6e60c464a5f942f995428e67f8ae1c422250 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < c5f31c655bcc01b6da53b836ac951c1556245305
Linux / Linux
2.6.12
References
git.kernel.org: https://git.kernel.org/stable/c/e93f995a591c352d35d89c518c54f790e1537754 git.kernel.org: https://git.kernel.org/stable/c/cf60bbca1b83a7e0927e36dbf178328982927886 git.kernel.org: https://git.kernel.org/stable/c/1750a0983c455a9b3badd848471fc8d58cb61f67 git.kernel.org: https://git.kernel.org/stable/c/a815a3e019456c94b03bd183e7ac22fd29e9e6fd git.kernel.org: https://git.kernel.org/stable/c/6edd0cdee5780fd5f43356b72b29a2a6d48ef6da git.kernel.org: https://git.kernel.org/stable/c/ebe16676e1dcaa4556ec4d36ca40c82e99e88cfa git.kernel.org: https://git.kernel.org/stable/c/2224897d8187dc22a83e05d9361efcccf67bcf12 git.kernel.org: https://git.kernel.org/stable/c/0aac6e60c464a5f942f995428e67f8ae1c422250 git.kernel.org: https://git.kernel.org/stable/c/c5f31c655bcc01b6da53b836ac951c1556245305