Security readout for executives and security teams
CVE-2011-3363 is a Linux kernel CIFS client denial-of-service issue. A remote CIFS server can crash a vulnerable system by using a DFS referral at a share root. The business risk is service interruption on legacy Linux systems that mount CIFS shares. Exposure is most likely on legacy Linux systems running kernels before 2.6.39 that use the CIFS client to mount SMB/CIFS shares, especially DFS-enabled or externally controlled shares. Modern supported kernels are unlikely to be affected, but vendor backport status must be checked. Prioritize remediation for legacy Linux servers or workstations that mount CIFS shares. This is not evidenced as actively exploited, but a crashable kernel path can create avoidable outages where file shares are operationally important. Mitigation focus: Upgrade affected systems to a vendor-supported kernel containing the upstream CIFS fix.; Confirm whether the vendor backported commit 70945643722ffeac779d2529a348f99567fa5c33.; Avoid mounting CIFS shares from untrusted or unmanaged servers..
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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CVE-2011-3363 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/70945643722ffeac779d2529a348f99567fa5c33CVE reference · x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=738291CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
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