CVE-2012-6541: n/a vulnerability

CVE-2012-6541: The ccid3_hc_tx_getsockopt function in net/dccp/ccids/ccid3.c in the Linux kernel before 3.6 does not initi...

The ccid3_hc_tx_getsockopt function in net/dccp/ccids/ccid3.c in the Linux kernel before 3.6 does not initialize a certain structure, which allows local users to obtain sensitive information from kernel stack memory via a crafted application.

UnknownCVSS not scoredNot KEV-listedUpdatedSep 16, 2024, 19:57 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2012-6541 is a Linux kernel information disclosure flaw. A local user could run a crafted application and read sensitive data left in kernel stack memory. The sources describe local exposure only, not remote attack or code execution. Exposure is most likely on systems running Linux kernels before 3.6 or vendor kernels missing the referenced fix. The provided sources do not identify specific distributions, appliances, or configurations beyond the Linux kernel path. Treat this as a patch hygiene issue for legacy Linux systems, especially shared hosts. It is not documented as remotely exploitable, but kernel memory disclosure can weaken isolation and support follow-on attacks. Mitigation focus: Upgrade to a vendor-supported kernel that includes the referenced Linux fix.; Confirm vendor advisories for backported fixes on supported distributions.; Reduce unnecessary local user access on affected systems..

Prepared: Jun 24, 2026, 11:46 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Mar 14, 2013, 20:00 UTC (UTC+00:00)

Official CVE source material

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.

0CVSS vectors

0Timeline events

0ADP providers

3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://github.com/torvalds/linux/commit/7b07f8eb75aa3097cdfd4f6eac3da49db787381dCVE reference · x_refsource_CONFIRM
https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2CVE reference · x_refsource_CONFIRM

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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