{"cve":"CVE-2024-44938","nvd":{"published":"2024-08-26T12:15:05.960","modified":"2026-06-17T07:53:15.937","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\njfs: Fix shift-out-of-bounds in dbDiscardAG\n\nWhen searching for the next smaller log2 block, BLKSTOL2() returned 0,\ncausing shift exponent -1 to be negative.\n\nThis patch fixes the issue by exiting the loop directly when negative\nshift is found.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-787"],"references":["https://git.kernel.org/stable/c/234e6ea0855cdb5673d54ecaf7dc5c78f3e84630","https://git.kernel.org/stable/c/4de2c04c3acd5b84f50b0d2f8f09e9b2f42374b9","https://git.kernel.org/stable/c/7063b80268e2593e58bee8a8d709c2f3ff93e2f2","https://git.kernel.org/stable/c/bb7c605a754823b86dd74f6537ccb9d38a9dec5a","https://git.kernel.org/stable/c/bd04a149e3a29e7f71b7956ed41dba34e42d539e"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:54:16.205165117+00:00"},"epss":{"cve":"CVE-2024-44938","score":0.00224,"percentile":0.13078,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}