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CVE-2017-7308

HIGH
7.8
CVSS Score
Published: March 29, 2017 at 08:00 PM UTC
Updated: June 17, 2026 at 01:24 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 18%

Description

The packet_set_ring function in net/packet/af_packet.c in the Linux kernel through 4.10.6 does not properly validate certain block-size data, which allows local users to cause a denial of service (integer signedness error and out-of-bounds write), or gain privileges (if the CAP_NET_RAW capability is held), via crafted system calls.

Affected

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

Linux Kernel· Linux
95%
2.6.27 ≤ v < 3.2.893.11 ≤ v < 3.12.743.13 ≤ v < 3.16.443.17 ≤ v < 3.18.523.19 ≤ v < 4.1.413.3 ≤ v < 3.10.1074.10 ≤ v < 4.10.144.2 ≤ v < 4.4.664.5 ≤ v < 4.9.26
Affected range stops below 3.10.107, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.12.74, 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 3.18.52, 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 4.1.41, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.10.14, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.4.66, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.9.26, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (12)

VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/97234
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2017:1297
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2017:1298
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2017:1308
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2018:1854
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://googleprojectzero.blogspot.com/2017/05/exploiting-linux-kernel-via-packet.html
x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://patchwork.ozlabs.org/patch/744811/
x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://patchwork.ozlabs.org/patch/744812/

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
CWE-681CWE-787

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