high7.2
CVE-2020-25643
A flaw was found in the HDLC_PPP module of the Linux kernel in versions before 5.9-rc7.
Impact
A flaw was found in the HDLC_PPP module of the Linux kernel in versions before 5.9-rc7. Memory corruption and a read overflow is caused by improper input validation in the ppp_cp_parse_cr function which can cause the system to crash or cause a denial of service. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | from 2.6.29 before 4.4.238 from 4.5 before 4.9.238 from 4.10 before 4.14.200 from 4.15 before 4.19.148 from 4.20 before 5.4.68 from 5.5 before 5.8.12 |
| Redhat | Enterprise Linux | Versions 7.0, 8.0 |
| Opensuse | Leap | Versions 15.1, 15.2 |
| Debian | Debian Linux | Versions 9.0, 10.0 |
| Netapp | H410c Firmware | All versions |
| Starwindsoftware | Starwind Virtual San | Version v8 |
Weakness classification
References
- NVD record
- CVE.org record
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1879981
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=66d42ed8b25b64eb63111a2b8582c5afc8bf1105
- https://lists.debian.org/debian-lts-announce/2020/10/msg00028.html
- https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
- https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html
- https://security.netapp.com/advisory/ntap-20201103-0002/
- https://www.debian.org/security/2020/dsa-4774
- https://www.starwindsoftware.com/security/sw-20210325-0002/
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1879981
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=66d42ed8b25b64eb63111a2b8582c5afc8bf1105
- https://lists.debian.org/debian-lts-announce/2020/10/msg00028.html
- https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
- https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html
- https://security.netapp.com/advisory/ntap-20201103-0002/
- https://www.debian.org/security/2020/dsa-4774
- https://www.starwindsoftware.com/security/sw-20210325-0002/