CVE-2013-4515

MEDIUMCVSS v2 · 4.94.9—
EchelonGraph scoreLOW confidence

This CVE was only ever scored under CVSS v2.0. NVD CVSS v2.0 base 4.9 — v2 rates that MEDIUM (v2 bands: LOW 0.0–3.9 / MEDIUM 4.0–6.9 / HIGH 7.0–10.0; v2 has no CRITICAL band). Vector AV:L/AC:L/Au:N/C:C/I:N/A:N. CVSS v2 is an older, coarser metric than v3.1/v4.0 (no Scope, no User Interaction, no Attack Requirements), so it is not directly comparable to a v3 or v4 score. NVD has never re-scored this record under v3. EPSS predicts 0.4% exploitation probability in the next 30 days, which is reflected in EG Risk but does not lift the v2 base. Confidence: LOW.

Sources: epss, nvd_v2
4.9EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS v2: 4.9Exploit: None knownExposed: 0

A fix is available — apply it.

The bcm_char_ioctl function in drivers/staging/bcm/Bcmchar.c in the Linux kernel before 3.12 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel memory via an IOCTL_BCM_GET_DEVICE_DRIVER_INFO ioctl call.

CVSS v2.0 (legacy)
4.9MEDIUMNVD never assigned a CVSS v3 rating to this CVE
EG Score
4.9(low)
EG Risk
27(Track)
EG Risk 27/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity49% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
37%
KEV
Not listed

Published

November 12, 2013

Last Modified

April 29, 2026

References (34)

Patch Availability(11)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-image-3.5.0-45-powerpc64-smp (3.5.0-45.68) @ quantal2026-05-28ubuntu
ubuntulinux-image-3.11.0-15-generic (3.11.0-15.23) @ saucy2026-05-28ubuntu
ubuntulinux-image-3.2.0-1442-omap4 (3.2.0-1442.61) @ precise2026-05-28ubuntu
ubuntulinux-image-3.5.0-237-omap4 (3.5.0-237.53) @ raring2026-05-28ubuntu
ubuntulinux-image-3.8.0-35-generic (3.8.0-35.50~precise1) @ precise2026-05-28ubuntu
ubuntulinux-image-3.5.0-237-omap4 (3.5.0-237.53) @ saucy2026-05-28ubuntu
ubuntulinux-image-3.8.0-35-generic (3.8.0-35.50) @ raring2026-05-28ubuntu
ubuntulinux-image-3.5.0-45-generic (3.5.0-45.68~precise1) @ precise2026-05-28ubuntu
ubuntulinux-image-3.2.0-58-generic (3.2.0-58.88) @ precise2026-05-28ubuntu
ubuntulinux-image-3.11.0-15-generic (3.11.0-15.23~precise1) @ precise2026-05-28ubuntu
ubuntulinux-image-3.5.0-237-omap4 (3.5.0-237.53) @ quantal2026-05-28ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
linux—3.12-1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
linux—3.12-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux—3.12-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux—3.12-1—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(11)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 6× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 127 total refreshes for this CVE.

  1. 2026-08-21 23:44 UTCEPSS rescore
  2. 2026-08-20 22:50 UTCEPSS rescore
  3. 2026-08-19 16:59 UTCEPSS rescore
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  10. 2026-08-07 17:19 UTCOSV refresh
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  19. 2026-07-26 13:48 UTCEG score recompute▲ 4.90
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  21. 2026-07-23 01:10 UTCEG score recompute
  22. 2026-07-23 00:14 UTCEG score recompute
  23. 2026-07-22 21:52 UTCEG score recompute
  24. 2026-07-22 14:04 UTCEPSS rescore
  25. 2026-07-22 09:48 UTCOSV refresh
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  1. 2026-07-21 15:21 UTCEPSS rescore
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  21. 2026-07-05 04:51 UTCOSV refresh
  22. 2026-07-05 02:26 UTCEPSS rescore
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  24. 2026-07-02 15:21 UTCEPSS rescore
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  26. 2026-06-30 23:19 UTCEPSS rescore
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  51. 2026-06-16 16:14 UTCOSV refresh
  52. 2026-06-15 17:44 UTCEPSS rescore
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  75. 2026-05-31 00:14 UTCEPSS rescore

Related CVEs(same vendor + same CWE)

Frequently asked(4)

What is CVE-2013-4515?
CVE-2013-4515 is a medium vulnerability published on November 12, 2013. The bcmcharioctl function in drivers/staging/bcm/Bcmchar.c in the Linux kernel before 3.12 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel memory via an IOCTLBCMGETDEVICEDRIVER_INFO ioctl call.
When was CVE-2013-4515 disclosed?
CVE-2013-4515 was first published in the National Vulnerability Database on November 12, 2013, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2013-4515 actively exploited?
CVE-2013-4515 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 62.7% of all scored CVEs.
How do I remediate CVE-2013-4515?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2013-4515, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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