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Vulnerability · Published May 9, 2020 · Assigned by mitre

CVE-2020-12771

Medium 5.5

In plain English

A medium-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 0.5% (higher than 44% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.5%top 55.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

An issue was discovered in the Linux kernel through 5.6.11. btree_gc_coalesce in drivers/md/bcache/btree.c has a deadlock if a coalescing operation fails.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.7.6-1DEBIAN-CVE-2020-12771
Debian:13linux5.7.6-1DEBIAN-CVE-2020-12771
Debian:14linux5.7.6-1DEBIAN-CVE-2020-12771
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2020-12771
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2020-12771
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2020-12771
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2020-12771

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References