Security readout for executives and security teams
Plain-English summary
CVE-2013-2597 is an older Android/Linux kernel driver flaw affecting Qualcomm MSM audio components. A malicious local app could abuse the vulnerable audio driver to gain high privileges on the device. CISA lists it as known exploited, so legacy or unsupported Android devices deserve urgent review.
Executive priority
Treat this as a high-priority legacy-device exposure issue. Active exploitation is documented through CISA KEV, and successful abuse could compromise device confidentiality, integrity, and availability. Priority depends on whether affected Qualcomm MSM Android devices remain in use.
Technical view
The issue is a stack-based buffer overflow in acdb_ioctl in audio_acdb.c, in the acdb audio driver for Linux kernel 2.6.x and 3.x as used in QuIC Android contributions for MSM devices. The described trigger involves /dev/msm_acdb access and an oversized ioctl argument.
Likely exposure
Exposure is most likely on legacy Android devices or embedded products using Qualcomm MSM kernels with the affected acdb audio driver. The source bundle does not identify exact vendors, models, firmware builds, or package versions.
Exploitation context
CISA KEV status supports active exploitation. The source bundle describes local app-based privilege gain, not remote exploitation. No cited source in the bundle provides safe details on exploit prevalence, malware families, or observed targeting.
Researcher notes
The public bundle gives a clear vulnerable function, driver, weakness class, and access path, but affected product metadata is incomplete. Avoid broad product claims without OEM firmware evidence. Validation should focus on kernel lineage, driver presence, device node exposure, and vendor patch status.
Mitigation direction
- Inventory Android and embedded devices using Qualcomm MSM kernels.
- Check OEM, Qualcomm, or CodeAurora guidance for fixed firmware or kernels.
- Apply confirmed vendor firmware or OS updates where available.
- Restrict untrusted app installation on potentially affected legacy devices.
- Retire unsupported devices when no vendor remediation is available.
Validation and detection
- Identify devices running Linux kernel 2.6.x or 3.x with Qualcomm MSM components.
- Check whether the acdb audio driver and /dev/msm_acdb are present.
- Confirm firmware or kernel build status against vendor guidance.
- Review mobile telemetry for suspicious local privilege escalation indicators.
- Track remediation as KEV-driven risk until affected assets are cleared.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CWE-121: Exact CWE lookup
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Open ATT&CK lookupCVE-2013-2597 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.4 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H2.55.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.4HighVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.codeaurora.org/projects/security-advisories/stack-based-buffer-overflow-acdb-audio-driver-cve-2013-2597CVE reference · x_refsource_CONFIRM
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-2597CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Stack-based Buffer Overflow
Stack-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.