A flaw was found in the way memory resources were freed in the unix_stream_recvmsg function in the Linux kernel when a signal was pending. This flaw allows an unprivileged local user to crash the system by exhausting available memory. The highest threat from this vulnerability is to system availability.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Centos_linux | — | Upgrade kernelUpgrade kernel-rt | Mar 18, 2021 | Mar 10, 2021 |
| Debian | — | Upgrade linux | Jul 30, 2024 | Mar 10, 2021 |
| Huawei Euleros 2_0_sp2 | — | Upgrade kernelUpgrade kernel-headersUpgrade perfUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade kernel-debuginfoUpgrade kernel-debug-develUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-debugUpgrade python-perfUpgrade kernel-devel | Sep 16, 2021 | Mar 10, 2021 |
| Huawei Euleros 2_0_sp5 | — | Upgrade kernel-develUpgrade perfUpgrade kernelUpgrade python-perfUpgrade kernel-tools-libsUpgrade kernel-headersUpgrade kernel-tools | Jul 19, 2021 | Mar 10, 2021 |
| Oracle_linux | — | Upgrade kernel | Mar 18, 2021 | Jan 24, 2016 |
| Redhat_linux | — | Upgrade kernel-rtUpgrade kernel | Mar 18, 2021 | Mar 10, 2021 |
| Suse | — | Upgrade cluster-md-kmp-defaultUpgrade kernel-ec2-baseUpgrade dlm-kmp-defaultUpgrade kernel-ppc64-baseUpgrade kernel-default-manUpgrade kernel-ppc64Upgrade kernel-pae-baseUpgrade kernel-xen-develUpgrade kernel-trace-develUpgrade kernel-default-baseUpgrade kernel-defaultUpgrade kernel-xen-baseUpgrade kernel-default-kgraftUpgrade kernel-pae-develUpgrade kernel-ec2-develUpgrade kernel-symsUpgrade kernel-macrosUpgrade kernel-bigmemUpgrade kernel-bigmem-develUpgrade kernel-develUpgrade gfs2-kmp-defaultUpgrade kgraft-patch-4_4_180-94_150-defaultUpgrade kernel-traceUpgrade kernel-ec2Upgrade ocfs2-kmp-defaultUpgrade kernel-paeUpgrade kernel-sourceUpgrade kernel-xenUpgrade kernel-ppc64-develUpgrade kernel-default-develUpgrade kernel-trace-baseUpgrade kernel-bigmem-base | Dec 2, 2021 | Mar 10, 2021 |
| Ubuntu | — | Upgrade linux-raspi2 | Nov 19, 2024 | Mar 10, 2021 |
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