CVEvulnerability
CVE-2020-25211
6.0 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-09-09
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.0 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
- CVSS 2.0 ([email protected])
- 3.6 LOW — AV:L/AC:L/Au:N/C:N/I:P/A:P
- Weaknesses
- CWE-120
Description
In the Linux kernel through 5.8.7, local attackers able to inject conntrack netlink configuration could overflow a local buffer, causing crashes or triggering use of incorrect protocol numbers in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c, aka CID-1cc5ef91d2ff.
Affected configurations
• linux linux kernel (<= 5.8.7)
• debian debian linux 9.0
• debian debian linux 10.0
• fedoraproject fedora 31
• fedoraproject fedora 32
Related
Weakness · CWE (1)
- CWE-120 Buffer Copy without Checking Size of Input weakness
References
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1cc5ef91d2ff94d2bf2de3b3585423e8a1051cb6 Exploit, Mailing List, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00028.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BL2O4JAMPJG4YMLLJ7JFDHDJRXN4RKTC/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OLDYVOM4OS55HA45Y3UEVLDHYGFXPZUX/ lists.fedoraproject.org
- https://security.netapp.com/advisory/ntap-20201009-0001/ Third Party Advisory
- https://twitter.com/grsecurity/status/1303646421158109185 Third Party Advisory
- https://www.debian.org/security/2020/dsa-4774 Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1cc5ef91d2ff94d2bf2de3b3585423e8a1051cb6 Exploit, Mailing List, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00028.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BL2O4JAMPJG4YMLLJ7JFDHDJRXN4RKTC/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OLDYVOM4OS55HA45Y3UEVLDHYGFXPZUX/ lists.fedoraproject.org
- https://security.netapp.com/advisory/ntap-20201009-0001/ Third Party Advisory
- https://twitter.com/grsecurity/status/1303646421158109185 Third Party Advisory
- https://www.debian.org/security/2020/dsa-4774 Third Party Advisory