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CVE-2022-50749

UnknownEPSS 0.24%

Last modified

CVE-2022-50749 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability
0.24%

14.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < e93f995a591c352d35d89c518c54f790e1537754; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < cf60bbca1b83a7e0927e36dbf178328982927886; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 1750a0983c455a9b3badd848471fc8d58cb61f67; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < a815a3e019456c94b03bd183e7ac22fd29e9e6fd; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 6edd0cdee5780fd5f43356b72b29a2a6d48ef6da; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < ebe16676e1dcaa4556ec4d36ca40c82e99e88cfa; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 2224897d8187dc22a83e05d9361efcccf67bcf12; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 0aac6e60c464a5f942f995428e67f8ae1c422250; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < c5f31c655bcc01b6da53b836ac951c1556245305
LinuxLinux2.6.12

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2022-50749?
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.
How severe is CVE-2022-50749?
Severity scoring for CVE-2022-50749 is pending analysis. The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.
How do I fix CVE-2022-50749?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST