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Vulnerability · Published Sep 3, 2021 · Assigned by mitre

CVE-2021-40490

High 7.0

In plain English

A high-severity security flaw in the linux package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.0High
Exploit odds (30 days)0.3%top 76.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A race condition was discovered in ext4_write_inline_data_end in fs/ext4/inline.c in the ext4 subsystem in the Linux kernel through 5.13.13.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.14.6-1DEBIAN-CVE-2021-40490
Debian:13linux5.14.6-1DEBIAN-CVE-2021-40490
Debian:14linux5.14.6-1DEBIAN-CVE-2021-40490
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2021-40490
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2021-40490
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2021-40490

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References