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Vulnerability · Published Mar 7, 2021 · Assigned by mitre

CVE-2021-27364

High 7.1

In plain English

A high-severity security flaw in the kernel-abi-whitelists package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.1High
Exploit odds (30 days)1.0%top 38.2% 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 5.11.3. drivers/scsi/scsi_transport_iscsi.c is adversely affected by the ability of an unprivileged user to craft Netlink messages.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8kernel-abi-whitelists4.18.0-240.22.1.el8_3ALSA-2021:1093
AlmaLinux:8kernel-tools-libs-devel4.18.0-240.22.1.el8_3ALSA-2021:1093
Debian:12linux5.10.24-1DEBIAN-CVE-2021-27364
Debian:13linux5.10.24-1DEBIAN-CVE-2021-27364
Debian:14linux5.10.24-1DEBIAN-CVE-2021-27364
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2021-27364
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2021-27364
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2021-27364

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References