CVE-2020-16119
DCCP CCID structure use-after-free
- State
- Published
- Severity
- 6.3 Medium
- Published
- Jan 14, 2021
- Updated
- Sep 16, 2024
- Reserved
- Jul 29, 2020
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.3 Medium | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H | canonical |
Weaknesses
- CWE-416 Use After Free
Affected Products
| Product | Versions |
|---|---|
Linux kernelCanonical |
|
References
- https://launchpad.net/bugs/1883840vendor-advisory
- https://ubuntu.com/USN-4576-1vendor-advisory
- https://ubuntu.com/USN-4577-1vendor-advisory
- https://ubuntu.com/USN-4578-1vendor-advisory
- https://ubuntu.com/USN-4579-1vendor-advisory
- https://ubuntu.com/USN-4580-1vendor-advisory
- https://lore.kernel.org/netdev/20201013171849.236025-1-kleber.souza%40canonical.com/T/
- https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal/commit/?id=01872cb896c76cedeabe93a08456976ab55ad695vendor-advisory
- https://security.netapp.com/advisory/ntap-20210304-0006/
- DSA-4978vendor-advisory
- [debian-lts-announce] 20211015 [SECURITY] [DLA 2785-1] linux-4.19 security updatemailing-list
- [debian-lts-announce] 20211216 [SECURITY] [DLA 2843-1] linux security updatemailing-list
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