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Vulnerability · Published May 5, 2020 · Assigned by mitre

CVE-2020-12655

Medium 5.5

In plain English

A medium-severity security flaw in the kernel-tools-libs-devel package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 39% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.5%top 60.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

An issue was discovered in xfs_agf_verify in fs/xfs/libxfs/xfs_alloc.c in the Linux kernel through 5.6.10. Attackers may trigger a sync of excessive duration via an XFS v5 image with crafted metadata, aka CID-d0c7feaf8767.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8kernel-tools-libs-devel4.18.0-240.el8ALSA-2020:4431
Debian:12linux5.6.14-1DEBIAN-CVE-2020-12655
Debian:13linux5.6.14-1DEBIAN-CVE-2020-12655
Debian:14linux5.6.14-1DEBIAN-CVE-2020-12655
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2020-12655
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2020-12655
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2020-12655
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2020-12655

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References