Back
CVE-2018-20976
An issue was discovered in fs/xfs/xfs_super.c in the Linux kernel before 4.18. A use after free exists, related to xfs_fs_fill_super…
- 7.8HighCVSS base score
- 0.63%Exploitation in 30 daysEPSS · top 49% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
An issue was discovered in fs/xfs/xfs_super.c in the Linux kernel before 4.18. A use after free exists, related to xfs_fs_fill_super failure.
Timeline
ID reserved
By mitre
- 1 day later
· 1 day later
Published
- 5 years later
· 5 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.8 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.63% · top 49% of all CVEs (11 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
n/a
- affected n/a
References
References17
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c9fbd7bbc23dbdd73364be4d045e5d3612cf6e82 (opens in a new tab)x_refsource_MISCx_transferred
- https://security.netapp.com/advisory/ntap-20190905-0002/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2019:2173 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2019:2181 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- [debian-lts-announce] 20190925 [SECURITY] [DLA 1930-1] linux security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-4144-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-4145-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://support.f5.com/csp/article/K10269585?utm_source=f5support&%3Butm_medium=RSS (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html (opens in a new tab)x_refsource_MISCx_transferred
- 20191108 [slackware-security] Slackware 14.2 kernel (SSA:2019-311-01) (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html (opens in a new tab)x_refsource_MISCx_transferred
- RHSA-2020:0178 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2020:0543 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2020:0592 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2020:0609 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [debian-lts-announce] 20200302 [SECURITY] [DLA 2114-1] linux-4.9 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2020:0661 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_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)
- EUVD EUVD-2018-13512 (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)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-20976)Record last updated .