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Vulnerability · Published May 21, 2024 · Assigned by Linux

CVE-2021-47319virtio-blk: Fix memory leak among suspend/resume procedure

Medium 5.5

In plain English

A medium-severity security flaw in Linux from Linux. 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 18% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.3%top 82.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: virtio-blk: Fix memory leak among suspend/resume procedure The vblk->vqs should be freed before we call init_vqs() in virtblk_restore().

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.14.6-1DEBIAN-CVE-2021-47319
Debian:13linux5.14.6-1DEBIAN-CVE-2021-47319
Debian:14linux5.14.6-1DEBIAN-CVE-2021-47319
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2021-47319
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2021-47319
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2021-47319
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2021-47319
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2021-47319
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2021-47319
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2021-47319
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2021-47319
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2021-47319
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2021-47319
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2021-47319
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2021-47319
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2021-47319
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2021-47319
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2021-47319
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2021-47319
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2021-47319
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2021-47319
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2021-47319
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2021-47319
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2021-47319
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2021-47319
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2021-47319
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2021-47319

Affected products (as reported)

VendorProductVersions
Linux Linux 6a27b656fc0210e976db362e1368c56db05c8f08 – before 381bde79d11e596002edfd914e6714291826967a6a27b656fc0210e976db362e1368c56db05c8f08 – before 102d6bc6475ab09bab579c18704e6cf8d898e93c6a27b656fc0210e976db362e1368c56db05c8f08 – before 863da837964c80c72e368a4f748c30d25daa18156a27b656fc0210e976db362e1368c56db05c8f08 – before 600942d2fd49b90e44857d20c774b20d16f3130f6a27b656fc0210e976db362e1368c56db05c8f08 – before 04c6e60b884cb5e94ff32af46867fb41d58483586a27b656fc0210e976db362e1368c56db05c8f08 – before cd24da0db9f75ca11eaf6060f0ccb90e2f3be3b06a27b656fc0210e976db362e1368c56db05c8f08 – before ca2b8ae93a6da9839dc7f9eb9199b18aa03c3dae6a27b656fc0210e976db362e1368c56db05c8f08 – before 29a2f4a3214aa14d61cc9737c9f886dae9dbb710
Linux Linux 3.17

References