CVE-2017-10663
HIGH
7.8
CVSS Score
Published: August 19, 2017 at 06:00 PM UTC
Updated: June 17, 2026 at 01:00 AM UTC
1 product affected across 1 vendorLinux Kernel
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Severity
HIGH7.8
Exploit prediction
EPSS 0.4%
Description
The sanity_check_ckpt function in fs/f2fs/super.c in the Linux kernel before 4.12.4 does not validate the blkoff and segno arrays, which allows local users to gain privileges via unspecified vectors.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
3.19 ≤ v < 4.1.443.8 ≤ v < 3.18.644.10 ≤ v < 4.12.44.2 ≤ v < 4.4.814.5 ≤ v < 4.9.42
Affected range stops below 3.18.64, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.1.44, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.12.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.4.81, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.9.42, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (6)
x_refsource_CONFIRMMailing ListPatchThird Party Advisory
Source: [email protected]
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=15d3042a937c13f5d9244241c7a9c8416ff6e82ax_refsource_CONFIRMMailing ListThird Party Advisory
Source: [email protected]
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.4VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/100215x_refsource_CONFIRMIssue TrackingPatch
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1481149x_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
https://github.com/torvalds/linux/commit/15d3042a937c13f5d9244241c7a9c8416ff6e82ax_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://source.android.com/security/bulletin/2017-08-01CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-129
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