CVE-2017-7533
Advisory lineage Upstream: 0 Downstream: 51
Modified
Published: 05 Aug 2017, 16:00
Last modified:05 Aug 2024, 16:04
Vulnerability Summary
Overall Risk (default)
medium
40/100 CVSS Score
7 HIGH
v3.1 (nvd)
EPSS Score
9.42% LOW
9% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected
Timeline
05 Aug 2017, 16:00
Published
Vulnerability first disclosed
05 Aug 2024, 16:04
Last Modified
Vulnerability information updated
Description
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.
CVSS Metrics
- v3.1•HIGH•Score: 7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- v2.0•MEDIUM•Score: 6.9AV:L/AC:M/Au:N/C:C/I:C/A:C
EPSS Trends
Current EPSS score: 9.42%• Percentile: 93%
Techniques & Countermeasures
- CWE-362•Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.
Affected Systems
- linux•linux_kernel
≥ 3.14, < 3.16.47 | ≥ 3.17, < 3.18.64 | ≥ 3.19, < 4.4.80 | ≥ 4.5, < 4.9.41 | ≥ 4.10, < 4.12.5
References (20)
- http://www.debian.org/security/2017/dsa-3927
- https://patchwork.kernel.org/patch/9755757/
- https://bugzilla.redhat.com/show_bug.cgi?id=1468283
- http://www.securityfocus.com/bid/100123
- https://access.redhat.com/errata/RHSA-2017:2669
- https://access.redhat.com/errata/RHSA-2017:2473
- http://openwall.com/lists/oss-security/2017/08/03/2
- https://access.redhat.com/errata/RHSA-2017:2585
- https://patchwork.kernel.org/patch/9755753/
- https://github.com/torvalds/linux/commit/49d31c2f389acfe83417083e1208422b4091cd9e
- https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg1408967.html
- http://www.debian.org/security/2017/dsa-3945
- https://source.android.com/security/bulletin/2017-12-01
- http://www.securitytracker.com/id/1039075
- https://access.redhat.com/errata/RHSA-2017:2770
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=49d31c2f389acfe83417083e1208422b4091cd9e
- https://access.redhat.com/errata/RHSA-2017:2869
- http://www.openwall.com/lists/oss-security/2019/06/27/7
- http://www.openwall.com/lists/oss-security/2019/06/28/1
- http://www.openwall.com/lists/oss-security/2019/06/28/2