7.8

CVE-2020-16119

DCCP CCID structure use-after-free

Use-after-free vulnerability in the Linux kernel exploitable by a local attacker due to reuse of a DCCP socket with an attached dccps_hc_tx_ccid object as a listener after being released. Fixed in Ubuntu Linux kernel 5.4.0-51.56, 5.3.0-68.63, 4.15.0-121.123, 4.4.0-193.224, 3.13.0.182.191 and 3.2.0-149.196.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version -
Canonical ≫ Ubuntu Linux Version 12.04 SwEdition lts
Canonical ≫ Ubuntu Linux Version 14.04 SwEdition lts
Canonical ≫ Ubuntu Linux Version 16.04 SwEdition lts
Canonical ≫ Ubuntu Linux Version 18.04 SwEdition lts
Canonical ≫ Ubuntu Linux Version 20.04 SwEdition lts
Debian ≫ Debian Linux Version 9.0
Debian ≫ Debian Linux Version 11.0
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.42% 0.34
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NIST 4.6 3.9 6.4
AV:L/AC:L/Au:N/C:P/I:P/A:P
Canonical 6.3 1 5.2
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
CWE-416 Use After Free

The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html
Third Party Advisory
Mailing List
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
Third Party Advisory
https://www.debian.org/security/2021/dsa-4978
Third Party Advisory
https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal/commit/?id=01872cb896c76cedeabe93a08456976ab55ad695
Patch
Third Party Advisory
https://launchpad.net/bugs/1883840
Patch
Third Party Advisory
Issue Tracking
https://lore.kernel.org/netdev/20201013171849.236025-1-kleber.souza%40canonical.com/T/
https://security.netapp.com/advisory/ntap-20210304-0006/
Third Party Advisory
https://ubuntu.com/USN-4576-1
Third Party Advisory
https://ubuntu.com/USN-4577-1
Third Party Advisory
https://ubuntu.com/USN-4578-1
Third Party Advisory
https://ubuntu.com/USN-4579-1
Third Party Advisory
https://ubuntu.com/USN-4580-1
Third Party Advisory