Buffer overflow in Linux Linux_kernel
CVE-2017-1000253
Linux distributions that have not patched their long-term kernels with https://git.kernel.org/linus/a87938b2e246b81b4fb713edb371a9fa3c5c3c86 (committed on April 14, 2015). This kernel vulnerability was fixed in April 2015 by commit a87938b…
Vulnerability class: Buffer Overflow
EPSS: 0.107 (95.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux Linux_kernel
- Centos — versions 6.0, 6.1, 6.2
- Redhat Enterprise_linux — versions 6.0, 6.1, 6.2
- N/a — versions n/a
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Known ransomware campaign use: yes.
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-1000253?
- CVE-2017-1000253 is a high-severity vulnerability in Linux Linux_kernel, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-10-05.
- How severe is CVE-2017-1000253?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2017-1000253 known to be exploited?
- Yes. CVE-2017-1000253 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-09-09), indicating it is being actively exploited. 8 public proof-of-concept repositories are indexed.