CVE-2017-8068

high
Published 2017-04-23 ยท Modified 2026-05-13
CVSS v3
7.8
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
7.8

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

Exploit likelihood
75%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

Mitigation details

Source: Debian Security Tracker ยท View original โ†— ยท DFSG

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,โ€ฆ

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, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs852556

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)bullseye5.10.223-1fixed
bullseye (security)5.10.257-1fixed
bookworm6.1.170-3fixed
bookworm (security)6.1.174-1fixed
trixie6.12.86-1fixed
trixie (security)6.12.90-2fixed
forky7.0.9-1fixed
sid7.0.10-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcewheezy(not affected)
linuxsourcejessie(not affected)
linuxsource(unstable)4.9.10-1852556

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

Home - Debian Security - Source (Git)

Apply commands

text fix
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

OS impact

linux Linux kernel Affected 10 releases
VersionStatusFixed in
4.9.10 Affected โ€”
4.9.9 Affected โ€”
4.9.8 Affected โ€”
4.9.6 Affected โ€”
4.9.5 Affected โ€”
4.9.4 Affected โ€”
4.9.3 Affected โ€”
4.9.2 Affected โ€”
4.9.1 Affected โ€”
4.9 Affected โ€”
suse SUSE Affected 1 release
VersionStatusFixed in
โ€” Affected โ€”
debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 4.9.10-1
sid Fixed 4.9.10-1
forky Fixed 4.9.10-1
bullseye Fixed 4.9.10-1
bookworm Fixed 4.9.10-1

References

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.