5.5
CVE-2020-27830
- EPSS 0.3%
- Veröffentlicht 13.05.2021 15:15:07
- Zuletzt bearbeitet 21.11.2024 05:21:53
- Quelle secalert@redhat.com
- CVE-Watchlists
- Unerledigt
A vulnerability was found in Linux Kernel where in the spk_ttyio_receive_buf2() function, it would dereference spk_ttyio_synth without checking whether it is NULL or not, and may lead to a NULL-ptr deref crash.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 5.9.14
Debian ≫ Debian Linux Version9.0
Debian ≫ Debian Linux Version10.0
VulnDex Vulnerability Enrichment
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.3% | 0.217 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 5.5 | 1.8 | 3.6 |
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
|
| nvd@nist.gov | 2.1 | 3.9 | 2.9 |
AV:L/AC:L/Au:N/C:N/I:N/A:P
|
CWE-476 NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html
https://www.debian.org/security/2021/dsa-4843
http://www.openwall.com/lists/oss-security/2020/12/08/1
http://www.openwall.com/lists/oss-security/2020/12/08/4
https://bugzilla.redhat.com/show_bug.cgi?id=1919900
https://security.netapp.com/advisory/ntap-20210625-0004/