CVE-2020-25704
First published: Mon Nov 09 2020(Updated: )
A flaw memory leak in the Linux kernel performance monitoring subsystem was found in the way if using PERF_EVENT_IOC_SET_FILTER. A local user could use this flaw to starve the resources causing denial of service.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-rt | <0:3.10.0-1160.53.1.rt56.1193.el7 | 0:3.10.0-1160.53.1.rt56.1193.el7 |
| redhat/kernel | <0:3.10.0-1160.53.1.el7 | 0:3.10.0-1160.53.1.el7 |
| redhat/kernel-rt | <0:4.18.0-305.rt7.72.el8 | 0:4.18.0-305.rt7.72.el8 |
| redhat/kernel | <0:4.18.0-305.el8 | 0:4.18.0-305.el8 |
| redhat/kernel-rt | <0:4.18.0-193.60.2.rt13.112.el8_2 | 0:4.18.0-193.60.2.rt13.112.el8_2 |
| redhat/kernel | <0:4.18.0-193.60.2.el8_2 | 0:4.18.0-193.60.2.el8_2 |
| Linux Linux kernel | <=5.9 | |
| Linux Linux kernel | =5.10-rc1 | |
| Linux Linux kernel | =5.10-rc2 | |
| Debian Debian Linux | =9.0 | |
| Starwindsoftware Command Center | ||
| Starwindsoftware Starwind Hyperconverged Appliance | ||
| Starwindsoftware Starwind San \& Nas | =v8r12 | |
| Starwindsoftware Starwind Virtual San | =v8-build14398 | |
| redhat/kernel | <5.10 | 5.10 |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.112-1 6.11.5-1 6.11.7-1 |
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-2020-25704 https://nvd.nist.gov/vuln/detail/CVE-2020-25704 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7bdb157cdebbf95a1cd94ed2e01b338714075d00 https://www.openwall.com/lists/oss-security/2020/11/09/1
- https://bugzilla.redhat.com/show_bug.cgi?id=1895961
- https://access.redhat.com/errata/RHSA-2022:0065
- https://access.redhat.com/errata/RHSA-2022:0063
- https://access.redhat.com/errata/RHSA-2021:1739
- https://access.redhat.com/errata/RHSA-2021:1578
- https://access.redhat.com/errata/RHSA-2021:2719
- https://access.redhat.com/errata/RHSA-2021:2718
- https://access.redhat.com/security/cve/cve-2020-25704
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7bdb157cdebbf95a1cd94ed2e01b338714075d00
- https://www.openwall.com/lists/oss-security/2020/11/09/1
- https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
- https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html
- https://www.starwindsoftware.com/security/sw-20220802-0003/
- https://launchpad.net/bugs/cve/CVE-2020-25704
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1895963
- https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=7bdb157cdebbf95a1cd94ed2e01b338714075d00
- https://git.kernel.org/linus/7bdb157cdebbf95a1cd94ed2e01b338714075d00
- https://security-tracker.debian.org/tracker/CVE-2020-25704
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25704
- https://nvd.nist.gov/vuln/detail/CVE-2020-25704
- https://ubuntu.com/security/CVE-2020-25704
Parent vulnerabilities
(Appears in the following advisories)
- collector/redhat-cve
- agent/type
- collector/launchpad-cve
- source/Launchpad
- agent/first-publish-date
- agent/author
- agent/severity
- agent/weakness
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2020-25704
- agent/software-canonical-lookup
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup-request
- collector/nvd-index
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- collector/usn-cve
- source/Ubuntu
- agent/remedy
- agent/references
- agent/softwarecombine
- agent/tags
- agent/description
- agent/event
- collector/security-tracker-debian
- source/Debian
- package-manager/redhat
- vendor/linux
- canonical/linux linux kernel
- version/linux linux kernel/5.9
- version/linux linux kernel/5.10-rc1
- version/linux linux kernel/5.10-rc2
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- vendor/starwindsoftware
- canonical/starwindsoftware command center
- canonical/starwindsoftware starwind hyperconverged appliance
- canonical/starwindsoftware starwind san \& nas
- version/starwindsoftware starwind san \& nas/v8r12
- canonical/starwindsoftware starwind virtual san
- version/starwindsoftware starwind virtual san/v8-build14398
- package-manager/debian