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CVE-2018-17972
An issue was discovered in the proc_pid_stack function in fs/proc/base.c in the Linux kernel through 4.18.11. It does not ensure that only…
Medium5.5EPSS 0.36%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
An issue was discovered in the proc_pid_stack function in fs/proc/base.c in the Linux kernel through 4.18.11. It does not ensure that only root may inspect the kernel stack of an arbitrary task, allowing a local attacker to exploit racy stack unwinding and leak kernel task stack contents.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium5.5 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.36% · top 70% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
n/a
- affected n/a
References (21)
- USN-3821-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-3835-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2019:0512 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- USN-3880-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-3871-5 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-3871-4 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 105525 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- USN-3880-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-3832-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-3821-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://marc.info/?l=linux-fsdevel&m=153806242024956&w=2 (opens in a new tab)x_refsource_MISCx_transferred
- USN-3871-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2019:0514 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- USN-3871-3 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- [debian-lts-announce] 20190315 [SECURITY] [DLA 1715-1] linux-4.9 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [debian-lts-announce] 20190327 [SECURITY] [DLA 1731-1] linux security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [debian-lts-announce] 20190401 [SECURITY] [DLA 1731-2] linux regression update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2019:0831 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- openSUSE-SU-2019:1407 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- RHSA-2019:2473 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://support.f5.com/csp/article/K27673650?utm_source=f5support&%3Butm_medium=RSS (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)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2018-17972)Record last updated .