CVE-2017-7533 EXPLOIT
7.0
HIGH · CVSS 3.1 · EPSS 1.2% (pctl 68)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 7.0 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 1.22% — more likely to be exploited than 68% of all CVEs |
| Weakness | CWE-362 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2017-08-05 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| linux | linux kernel |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Linux Kernel < 3.16.39 (Debian 8 x64) - 'inotfiy' Local Privilege Escalation | 2017-10-16 |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=49d31c2f389acfe83417083e1208422b4091cd9e
- http://openwall.com/lists/oss-security/2017/08/03/2
- http://www.debian.org/security/2017/dsa-3927
- http://www.debian.org/security/2017/dsa-3945
- 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
- http://www.securityfocus.com/bid/100123
- http://www.securitytracker.com/id/1039075
- https://access.redhat.com/errata/RHSA-2017:2473
- https://access.redhat.com/errata/RHSA-2017:2585
- https://access.redhat.com/errata/RHSA-2017:2669
- https://access.redhat.com/errata/RHSA-2017:2770
- https://access.redhat.com/errata/RHSA-2017:2869
- https://bugzilla.redhat.com/show_bug.cgi?id=1468283
- https://github.com/torvalds/linux/commit/49d31c2f389acfe83417083e1208422b4091cd9e
- https://patchwork.kernel.org/patch/9755753/
- https://patchwork.kernel.org/patch/9755757/
- https://source.android.com/security/bulletin/2017-12-01
- https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg1408967.html
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