boxscore/security
CVE · referencelatest edition

Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2024-49855HIGH
Linux Linux — nbd: fix race between timeout and normal completion
  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   H   L   N  U  H  H  H    7.0   .0046   38.5     —
AFFECTED
  Product  Versions                                    Fixed
  Linux    2895f1831e911ca87d4efdf43e35eb72a0c7e66e –  —
  Linux    5.19 –                                      6.1.113
TIMELINE
  Oct 21  Reserved by Linux
  Oct 21  Published (CNA: Linux)
  Aug 4   RESCORED — CVE-2024-49855 (Linux). CVSS 9.8 → 7 (NVD).
CWE-416 · CNA: Linux · CVSS v3.1 · 6 references · NVD status: Modified

Description

In the Linux kernel, the following vulnerability has been resolved: nbd: fix race between timeout and normal completion If request timetout is handled by nbd_requeue_cmd(), normal completion has to be stopped for avoiding to complete this requeued request, other use-after-free can be triggered. Fix the race by clearing NBD_CMD_INFLIGHT in nbd_requeue_cmd(), meantime make sure that cmd->lock is grabbed for clearing the flag and the requeue.

Lifecycle

Complete event history — 3 events, chronological
DateEventDetail
October 21, 2024ReservedReserved by Linux
October 21, 2024PublishedPublished (CNA: Linux)
August 4, 2026RESCOREDRESCORED — CVE-2024-49855 (Linux). CVSS 9.8 → 7 (NVD).

Affected

Affected products and packages — 2 rows
VendorProduct / PackageEcosystemVersion introducedFixed
LinuxLinux2895f1831e911ca87d4efdf43e35eb72a0c7e66e
LinuxLinux5.196.1.113

Weaknesses

CWE-416

References (6)

Related

Authoritative record: CVE-2024-49855 at cve.org

Vendors: linux

Weaknesses: CWE-416

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2024-49855 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.