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Vulnerability · Published Feb 6, 2020 · Assigned by mitre

CVE-2020-8648

High 7.1

In plain English

A high-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 0.7% (higher than 52% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.1High
Exploit odds (30 days)0.7%top 48.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the n_tty_receive_buf_common function in drivers/tty/n_tty.c.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8kernel-tools-libs-devel4.18.0-240.el8ALSA-2020:4431
Debian:12linux5.5.13-1DEBIAN-CVE-2020-8648
Debian:13linux5.5.13-1DEBIAN-CVE-2020-8648
Debian:14linux5.5.13-1DEBIAN-CVE-2020-8648
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2020-8648
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2020-8648
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2020-8648
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2020-8648

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References