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CVE-2017-7184

HIGH
7.8
CVSS Score
Published: March 19, 2017 at 06:00 PM UTC
Updated: June 17, 2026 at 01:23 AM UTC
1 product affected across 1 vendorLinux Kernel· also runs on 1 platform

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Severity
HIGH7.8
Exploit prediction
EPSS 2%

Description

The xfrm_replay_verify_len function in net/xfrm/xfrm_user.c in the Linux kernel through 4.10.6 does not validate certain size data after an XFRM_MSG_NEWAE update, which allows local users to obtain root privileges or cause a denial of service (heap-based out-of-bounds access) by leveraging the CAP_NET_ADMIN capability, as demonstrated during a Pwn2Own competition at CanSecWest 2017 for the Ubuntu 16.10 linux-image-* package 4.8.0.41.52.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
v < 3.2.893.11 ≤ v < 3.12.733.13 ≤ v < 3.16.443.17 ≤ v < 3.18.493.19 ≤ v < 4.1.493.3 ≤ v < 3.10.1064.10 ≤ v < 4.10.84.2 ≤ v < 4.4.594.5 ≤ v < 4.9.204.8
Affected range stops below 3.10.106, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.12.73, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.16.44, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.18.49, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.2.89, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.1.49, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.10.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.4.59, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.9.20, so it looks safe — our inference, not a vendor statement
canonical-ubuntu-linux (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

References (15)

x_refsource_CONFIRMVendor Advisory
Source: [email protected]
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=677e806da4d916052585301785d847c3b3e6186a
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f843ee6dd019bcece3e74e76ad9df0155655d0df
x_refsource_CONFIRMMailing ListThird Party Advisory
Source: [email protected]
http://openwall.com/lists/oss-security/2017/03/29/2
x_refsource_MISCTechnical DescriptionThird Party Advisory
Source: [email protected]
http://www.eweek.com/security/ubuntu-linux-falls-on-day-1-of-pwn2own-hacking-competition
VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/97018
VDB Entryx_refsource_SECTRACKThird Party Advisory
Source: [email protected]
http://www.securitytracker.com/id/1038166
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2017:2918
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2017:2930

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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