CVE-2020-10781
See a problem?- Source
- https://nvd.nist.gov/vuln/detail/CVE-2020-10781
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-10781.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2020-10781
- Related
- Published
- 2020-09-16T13:15:10Z
- Modified
- 2024-09-18T01:00:20Z
- Severity
-
- 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
A flaw was found in the Linux Kernel before 5.8-rc6 in the ZRAM kernel module, where a user with a local account and the ability to read the /sys/class/zram-control/hot_add file can create ZRAM device nodes in the /dev/ directory. This read allocates kernel memory and is not accounted for a user that triggers the creation of that ZRAM device. With this vulnerability, continually reading the device may consume a large amount of system memory and cause the Out-of-Memory (OOM) killer to activate and terminate random userspace processes, possibly making the system inoperable.
- References
-
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=853eab68afc80f59f36bbdeb715e5c88c501e680
- https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html
- https://www.openwall.com/lists/oss-security/2020/06/18/1
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10781
- https://security-tracker.debian.org/tracker/CVE-2020-10781
Affected packages
Debian:11 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source
Debian:12 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source
Debian:13 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source