Security readout for executives and security teams
CVE-2016-4580 is a Linux kernel information leak in the X.25 networking code. A specially formed X.25 Call Request could cause uninitialized kernel stack memory to be returned. The main business risk is disclosure of sensitive kernel memory on systems with vulnerable X.25 handling, not direct remote code execution based on the supplied sources. Exposure is most likely on Linux systems running kernels before 4.5.5 or vendor kernels that had not yet backported the fix, where X.25 networking support is present and reachable. The provided affected-product metadata is incomplete, so distribution-specific package status must be verified against vendor advisories. Prioritize patch verification where Linux systems have legacy X.25 networking enabled or uncertain kernel maintenance status. For typical modern environments without X.25 exposure, this is usually a scheduled kernel hygiene item rather than an emergency, absent new exploitation evidence. Mitigation focus: Apply vendor kernel updates that reference CVE-2016-4580.; For upstream kernels, use Linux 4.5.5 or a kernel containing commit 79e48650320e6fba48369fccf13fd045315b19b8.; Check Ubuntu, Debian, SUSE, and openSUSE advisories for distribution-specific fixed packages..
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
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ATT&CK lookup starting points
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CVE-2016-4580 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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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/79e48650320e6fba48369fccf13fd045315b19b8CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
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