6

CVE-2020-25211

Exploit
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version <= 5.8.7
Debian ≫ Debian Linux Version9.0
Debian ≫ Debian Linux Version10.0
Fedoraproject ≫ Fedora Version31
Fedoraproject ≫ Fedora Version32
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.57% 0.425
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 6 0.8 5.2
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
nvd@nist.gov 3.6 3.9 4.9
AV:L/AC:L/Au:N/C:N/I:P/A:P
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
Third Party Advisory
Mailing List
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html
Third Party Advisory
Mailing List
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1cc5ef91d2ff94d2bf2de3b3585423e8a1051cb6
Patch
Vendor Advisory
Exploit
Mailing List
https://lists.debian.org/debian-lts-announce/2020/10/msg00028.html
Third Party Advisory
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BL2O4JAMPJG4YMLLJ7JFDHDJRXN4RKTC/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OLDYVOM4OS55HA45Y3UEVLDHYGFXPZUX/
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