CVE-2023-28772
MEDIUM
6.7
CVSS Score
Published: March 23, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:48 AM UTC
1 product affected across 1 vendorLinux Kernel
Using N/A by N/A?
Get instant alerts when new vulnerabilities affect N/A - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM6.7
Exploit prediction
EPSS 0.7%
SSVC
No known exploit
Description
An issue was discovered in the Linux kernel before 5.13.3. lib/seq_buf.c has a seq_buf_putmem_hex buffer overflow.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
2.6.27 ≤ v < 4.4.2764.10 ≤ v < 4.14.2404.15 ≤ v < 4.19.1984.20 ≤ v < 5.4.1334.5 ≤ v < 4.9.2765.11 ≤ v < 5.12.185.13 ≤ v < 5.13.35.5 ≤ v < 5.10.51
Affected range stops below 4.14.240, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.19.198, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.4.276, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.9.276, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.10.51, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.12.18, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.13.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.4.133, 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 (5)
Release NotesVendor Advisory
Source: [email protected]
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.3PatchVendor Advisory
Source: [email protected]
https://github.com/torvalds/linux/commit/d3b16034a24a112bb83aeb669ac5b9b01f744bb7Third Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20230427-0005/SSVC — Action Prioritization
SSVCNo known exploitNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
6.7MEDIUMCISA-ADP
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- HIGH
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-120
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card