Vulnerability in Linux Kernel
CVE-2017-7533
Race condition in the fsnotify implementation in the Linux kernel through 4.12.4 allows local users to gain privileges or cause a denial of service (memory corruption) via a crafted application that leverages simultaneous execution of the inotify_handle_event and vfs_rename functions.
Vulnerability class: Race Condition
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.012 (67.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Linux Kernel
- Linux Kernel Through 4.12.4 — versions Linux kernel through 4.12.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.debian.org/security/2017/dsa-3927 (vendor-advisory, Third Party Advisory)
- patchwork.kernel.org/patch/9755757/ (Patch, Third Party Advisory, Issue Tracking)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- www.securityfocus.com/bid/100123 (VDB Entry, Third Party Advisory, vdb-entry)
- access.redhat.com/errata/RHSA-2017:2669 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2017:2473 (vendor-advisory, Third Party Advisory)
- openwall.com/lists/oss-security/2017/08/03/2 (Patch, Mailing List, Third Party Advisory)
- access.redhat.com/errata/RHSA-2017:2585 (vendor-advisory, Third Party Advisory)
- patchwork.kernel.org/patch/9755753/ (Patch, Third Party Advisory, Issue Tracking)
- github.com/torvalds/linux/commit/49d31c2f389acfe83417083e1208422b4091cd9e (Patch, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2017-7533?
- CVE-2017-7533 is a high-severity vulnerability in Linux Kernel, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2017-08-05.
- How severe is CVE-2017-7533?
- High severity. CVSS v3 base score is 7.0 out of 10.
- Is CVE-2017-7533 known to be exploited?
- 16 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.