CVE-2017-8068
Description
drivers/net/usb/pegasus.c in the Linux kernel 4.9.x before 4.9.11 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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Mitigation details
CVE-2017-8068 NameCVE-2017-8068 Descriptiondrivers/net/usb/pegasus.c in the Linux kernel 4.9.x before 4.9.11 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. SourceCVE (at NVD; CERT,…
CVE-2017-8068
| Name | CVE-2017-8068 |
| Description | drivers/net/usb/pegasus.c in the Linux kernel 4.9.x before 4.9.11 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. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 852556 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | bullseye | 5.10.223-1 | fixed |
| bullseye (security) | 5.10.257-1 | fixed | |
| bookworm | 6.1.170-3 | fixed | |
| bookworm (security) | 6.1.174-1 | fixed | |
| trixie | 6.12.86-1 | fixed | |
| trixie (security) | 6.12.90-2 | fixed | |
| forky | 7.0.9-1 | fixed | |
| sid | 7.0.10-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux | source | wheezy | (not affected) | |||
| linux | source | jessie | (not affected) | |||
| linux | source | (unstable) | 4.9.10-1 | 852556 |
Notes
[jessie] - linux <not-affected> (Introduced in 4.9-rc1 in combination with VMAP_STACK)
[wheezy] - linux <not-affected> (Introduced in 4.9-rc1 in combination with VMAP_STACK)
Fixed by: https://git.kernel.org/linus/5593523f968bc86d42a035c6df47d5e0979b5ace
Apply commands
[jessie] - linux <not-affected> (Introduced in 4.9-rc1 in combination with VMAP_STACK)[wheezy] - linux <not-affected> (Introduced in 4.9-rc1 in combination with VMAP_STACK)Fixed by: https://git.kernel.org/linus/5593523f968bc86d42a035c6df47d5e0979b5aceOS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 4.9.10-1 |
| debian | bullseye | fixed | 4.9.10-1 |
| debian | forky | fixed | 4.9.10-1 |
| debian | sid | fixed | 4.9.10-1 |
| debian | trixie | fixed | 4.9.10-1 |
| linux-kernel | 4.9 | affected | |
| linux-kernel | 4.9.1 | affected | |
| linux-kernel | 4.9.2 | affected | |
| linux-kernel | 4.9.3 | affected | |
| linux-kernel | 4.9.4 | affected | |
| linux-kernel | 4.9.5 | affected | |
| linux-kernel | 4.9.6 | affected | |
| linux-kernel | 4.9.8 | affected | |
| linux-kernel | 4.9.9 | affected | |
| linux-kernel | 4.9.10 | affected | |
References
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.11
- http://www.openwall.com/lists/oss-security/2017/04/16/4
- http://www.securityfocus.com/bid/98000
- http://www.securityfocus.com/bid/98008
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5593523f968bc86d42a035c6df47d5e0979b5ace
- https://github.com/torvalds/linux/commit/5593523f968bc86d42a035c6df47d5e0979b5ace
- https://www.suse.com/security/cve/CVE-2017-8068.html
- https://security-tracker.debian.org/tracker/CVE-2017-8068
CWEs
CWE-119
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.