CVE-2020-36387
Severity CVSS v4.0:
Pending analysis
Type:
CWE-416
Use After Free
Publication date:
07/06/2021
Last modified:
24/02/2023
Description
An issue was discovered in the Linux kernel before 5.8.2. fs/io_uring.c has a use-after-free related to io_async_task_func and ctx reference holding, aka CID-6d816e088c35.
Impact
Base Score 3.x
7.80
Severity 3.x
HIGH
Base Score 2.0
7.20
Severity 2.0
HIGH
Vulnerable products and versions
CPE | From | Up to |
---|---|---|
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.7 (including) | 5.7.16 (excluding) |
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.8 (including) | 5.8.2 (excluding) |
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:* | ||
cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:* | ||
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:* | ||
cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:* | ||
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:* | ||
cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:* | ||
cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:* | ||
cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:* | ||
cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:* | ||
cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:* | ||
cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:* | ||
cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:* | ||
cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:* |
To consult the complete list of CPE names with products and versions, see this page
References to Advisories, Solutions, and Tools
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.2
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6d816e088c359866f9867057e04f244c608c42fe
- https://security.netapp.com/advisory/ntap-20210727-0006/
- https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-io_async_task_func
- https://syzkaller.appspot.com/bug?id=ce5f07d6ec3b5050b8f0728a3b389aa510f2591b