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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.22%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.0 HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.22% probability · 67th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-362
- Affected
- linux/linux kernel
- Source
- secalert@redhat.com
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=49d31c2f389acfe83417083e1208422b4091cd9eIssue Tracking, Patch, Third Party Advisory
- http://openwall.com/lists/oss-security/2017/08/03/2Mailing List, Patch, Third Party Advisory
- http://www.debian.org/security/2017/dsa-3927Third Party Advisory
- http://www.debian.org/security/2017/dsa-3945Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/06/27/7Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/06/28/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/06/28/2Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/100123Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039075Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:2473Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2585Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2669Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2770Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2869Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1468283Issue Tracking, Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/49d31c2f389acfe83417083e1208422b4091cd9eIssue Tracking, Patch, Third Party Advisory
- https://patchwork.kernel.org/patch/9755753/Issue Tracking, Patch, Third Party Advisory
- https://patchwork.kernel.org/patch/9755757/Issue Tracking, Patch, Third Party Advisory
- https://source.android.com/security/bulletin/2017-12-01Third Party Advisory
- https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg1408967.htmlThird Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=49d31c2f389acfe83417083e1208422b4091cd9eIssue Tracking, Patch, Third Party Advisory
- http://openwall.com/lists/oss-security/2017/08/03/2Mailing List, Patch, Third Party Advisory
- http://www.debian.org/security/2017/dsa-3927Third Party Advisory
- http://www.debian.org/security/2017/dsa-3945Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/06/27/7Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/06/28/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/06/28/2Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/100123Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039075Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:2473Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.