CVE-2017-8067
drivers/char/virtio_console.c in the Linux kernel 4.9.x and 4.10.x before 4.10.12 interacts incorrectly with the CONFIG_VMAP_STACK option, which allows local users to cause a denial of service (system crash or memory corruption) or possibly have…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.40%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
drivers/char/virtio_console.c in the Linux kernel 4.9.x and 4.10.x before 4.10.12 interacts incorrectly with the CONFIG_VMAP_STACK option, which allows local users to cause a denial of service (system crash or memory corruption) or possibly have unspecified other impact by leveraging use of more than one virtual page for a DMA scatterlist.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.40% probability · 34th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- linux/linux kernel
- Source
- cve@mitre.org
References
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.12Release Notes, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2017/04/16/4Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/97997Third Party Advisory, VDB Entry
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c4baad50297d84bde1a7ad45e50c73adae4a2192Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/c4baad50297d84bde1a7ad45e50c73adae4a2192Patch, Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.12Release Notes, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2017/04/16/4Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/97997Third Party Advisory, VDB Entry
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c4baad50297d84bde1a7ad45e50c73adae4a2192Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/c4baad50297d84bde1a7ad45e50c73adae4a2192Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.