high7.8
CVE-2020-25220
The Linux kernel 4.9.x before 4.9.233, 4.14.x before 4.14.194, and 4.19.x before 4.19.140 has a use-after-free because skcd->no_refcnt was not considered durin…
Impact
The Linux kernel 4.9.x before 4.9.233, 4.14.x before 4.14.194, and 4.19.x before 4.19.140 has a use-after-free because skcd->no_refcnt was not considered during a backport of a CVE-2020-14356 patch. This is related to the cgroups feature.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | from 4.9.0 before 4.9.233 from 4.14 before 4.14.194 from 4.19 before 4.19.140 |
Weakness classification
References
- NVD record
- CVE.org record
- https://bugzilla.redhat.com/show_bug.cgi?id=1868453
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.194
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.140
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.233
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-4.14.y&id=82fd2138a5ffd7e0d4320cdb669e115ee976a26e
- 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-20201001-0004/
- https://www.spinics.net/lists/stable/msg405099.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1868453
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.194
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.140
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.233
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-4.14.y&id=82fd2138a5ffd7e0d4320cdb669e115ee976a26e
- 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-20201001-0004/
- https://www.spinics.net/lists/stable/msg405099.html