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CVE-2020-8648
There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the n_tty_receive_buf_common function in drivers/tty/n_tty.c.
High7.1EPSS 0.66%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the n_tty_receive_buf_common function in drivers/tty/n_tty.c.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.66% · top 48% of all CVEs (7 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.
Weakness
Affected products
n/a
- affected n/a
References (11)
- https://bugzilla.kernel.org/show_bug.cgi?id=206361 (opens in a new tab)x_refsource_MISCx_transferred
- openSUSE-SU-2020:0336 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- USN-4344-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-4345-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-4342-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-4346-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- [debian-lts-announce] 20200609 [SECURITY] [DLA 2241-1] linux security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [debian-lts-announce] 20200610 [SECURITY] [DLA 2242-1] linux-4.9 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [debian-lts-announce] 20200610 [SECURITY] [DLA 2241-2] linux security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- DSA-4698 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- https://security.netapp.com/advisory/ntap-20200924-0004/ (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2020-8648)Record last updated .