CVE-2021-4135: Infoleak
First published: Thu Jul 14 2022(Updated: )
A memory leak vulnerability was found in the Linux kernel's eBPF for the Simulated networking device driver in the way user uses BPF for the device such that function nsim_map_alloc_elem being called. A local user could use this flaw to get unauthorized access to some data.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <5.16 | |
| Linux Linux kernel | =5.16 | |
| Linux Linux kernel | =5.16-rc1 | |
| Linux Linux kernel | =5.16-rc2 | |
| Linux Linux kernel | =5.16-rc3 | |
| Linux Linux kernel | =5.16-rc4 | |
| Linux Linux kernel | =5.16-rc5 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.12.6-1 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=481221775d53
- https://launchpad.net/bugs/cve/CVE-2021-4135
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4135
- https://nvd.nist.gov/vuln/detail/CVE-2021-4135
- https://security-tracker.debian.org/tracker/CVE-2021-4135
- https://ubuntu.com/security/CVE-2021-4135
- https://git.kernel.org/linus/481221775d53d6215a6e5e9ce1cce6d2b4ab9a46
- collector/nvd-index
- collector/launchpad-cve
- source/Launchpad
- agent/type
- agent/author
- agent/severity
- agent/weakness
- collector/mitre-cve
- source/MITRE
- collector/usn-cve
- source/Ubuntu
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- collector/security-tracker-debian
- source/Debian
- agent/references
- agent/last-modified-date
- agent/remedy
- agent/tags
- agent/description
- agent/softwarecombine
- agent/first-publish-date
- agent/event
- agent/trending
- vendor/linux
- canonical/linux linux kernel
- version/linux linux kernel/5.16
- version/linux linux kernel/5.16-rc1
- version/linux linux kernel/5.16-rc2
- version/linux linux kernel/5.16-rc3
- version/linux linux kernel/5.16-rc4
- version/linux linux kernel/5.16-rc5
- package-manager/debian