CVE-2021-29650
First published: Mon Mar 15 2021(Updated: )
A denial-of-service (DoS) flaw was identified in the Linux kernel due to an incorrect memory barrier in xt_replace_table in net/netfilter/x_tables.c in the netfilter subsystem.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-rt | <0:3.10.0-1160.41.1.rt56.1181.el7 | 0:3.10.0-1160.41.1.rt56.1181.el7 |
| redhat/kernel | <0:3.10.0-1160.41.1.el7 | 0:3.10.0-1160.41.1.el7 |
| redhat/kernel-rt | <0:4.18.0-348.rt7.130.el8 | 0:4.18.0-348.rt7.130.el8 |
| redhat/kernel | <0:4.18.0-348.el8 | 0:4.18.0-348.el8 |
| Linux Linux kernel | <5.11.11 | |
| Fedoraproject Fedora | =32 | |
| Fedoraproject Fedora | =33 | |
| Fedoraproject Fedora | =34 | |
| Debian Debian Linux | =9.0 | |
| redhat/kernel | <5.12 | 5.12 |
| IBM DRM | <=2.0.6 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.10-1 6.12.5-1 |
Remedy
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2021-29650 https://nvd.nist.gov/vuln/detail/CVE-2021-29650 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=175e476b8cdf2a4de7432583b49c871345e4f8a1
- https://bugzilla.redhat.com/show_bug.cgi?id=1945388
- https://access.redhat.com/errata/RHSA-2021:3328
- https://access.redhat.com/errata/RHSA-2021:3327
- https://access.redhat.com/errata/RHSA-2021:4140
- https://access.redhat.com/errata/RHSA-2021:4356
- https://access.redhat.com/security/cve/cve-2021-29650
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.11
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=175e476b8cdf2a4de7432583b49c871345e4f8a1
- https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html
- https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RZGMUP6QEHJJEKPMLKOSPWYMW7PXFC2M/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VTADK5ELGTATGW2RK3K5MBJ2WGYCPZCM/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WKRNELXLVFDY6Y5XDMWLIH3VKIMQXLLR/
- https://launchpad.net/bugs/cve/CVE-2021-29650
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RZGMUP6QEHJJEKPMLKOSPWYMW7PXFC2M/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VTADK5ELGTATGW2RK3K5MBJ2WGYCPZCM/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WKRNELXLVFDY6Y5XDMWLIH3VKIMQXLLR/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1945389
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=175e476b8cdf2a4de7432583b49c871345e4f8a1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/199201
- https://www.ibm.com/support/pages/node/6497499 (Advisory)
- https://git.kernel.org/linus/175e476b8cdf2a4de7432583b49c871345e4f8a1
- https://security-tracker.debian.org/tracker/CVE-2021-29650
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29650
- https://nvd.nist.gov/vuln/detail/CVE-2021-29650
- https://ubuntu.com/security/CVE-2021-29650
Parent vulnerabilities
(Appears in the following advisories)
- collector/redhat-cve
- collector/nvd-index
- agent/weakness
- agent/type
- collector/launchpad-cve
- source/Launchpad
- agent/first-publish-date
- agent/author
- agent/severity
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2021-29650
- agent/software-canonical-lookup
- collector/mitre-cve
- source/MITRE
- collector/ibm-support
- source/IBM
- agent/references
- agent/remedy
- agent/tags
- collector/usn-cve
- source/Ubuntu
- agent/description
- agent/event
- collector/nvd-cve
- source/NVD
- agent/last-modified-date
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- agent/trending
- package-manager/redhat
- vendor/linux
- canonical/linux linux kernel
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/32
- version/fedoraproject fedora/33
- version/fedoraproject fedora/34
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- vendor/ibm
- canonical/ibm drm
- version/ibm drm/2.0.6
- package-manager/debian