Security readout for executives and security teams
Plain-English summary
A Linux kernel SCSI disk bug can read one byte beyond a buffer when certain devices report an eight-byte characteristics page. QEMU 2.x devices are cited as one example. The resulting memory-safety failure could disrupt affected systems and may expose or alter limited data, according to the supplied CVSS assessment.
Executive priority
Prioritize remediation in virtualization and storage-sensitive environments because a kernel fault could cause substantial service disruption. Validate exposure before emergency action: the trigger requires a particular SCSI response, active exploitation is not documented, and supplied version boundaries are unclear. Apply supported kernel updates during the next expedited maintenance window.
Technical view
The Linux sd driver incorrectly handles SCSI VPD page 0xb1 when its reported length is exactly eight bytes. sd_read_block_characteristics() then accesses the zoned field at offset eight, outside the returned data. The supplied assessment is CVSS 3.1 score 8.6, with high availability impact and low confidentiality and integrity impacts.
Likely exposure
Exposure is limited to Linux systems running affected kernel versions and interacting with physical or emulated SCSI devices that return the triggering page length. QEMU 2.x is specifically mentioned. The supplied version data is ambiguous, so distribution kernel advisories and package changelogs should determine actual exposure.
Exploitation context
The bundle does not establish active exploitation, and the CVE is not marked as included in CISA KEV. Although the supplied CVSS vector uses network attack complexity, the description only documents a device-response trigger; it does not explain a remotely reachable attack path. Treat broader remote exploitability as unconfirmed.
Researcher notes
The core flaw is an off-by-one bounds error during VPD page 0xb1 parsing. The description confirms an out-of-bounds access but does not document demonstrated exploitation, crash traces, memory disclosure, corruption primitives, or remote delivery mechanics. Review the referenced stable commits for branch-specific fixes and use distribution advisories for backport status.
Mitigation direction
- Install a vendor or distribution kernel update containing the referenced stable fix.
- Prioritize hosts using QEMU 2.x or other potentially affected emulated SCSI devices.
- If immediate updating is unavailable, consult vendor guidance for supported temporary mitigations.
- Avoid assuming upstream version numbers directly map to distribution kernel package versions.
Validation and detection
- Inventory kernel package versions across physical hosts, hypervisors, and virtual machines.
- Check distribution advisories and changelogs for CVE-2024-47682 backports.
- Identify systems using SCSI disks or emulated SCSI devices, especially QEMU 2.x.
- After updating, confirm the running kernel includes the vendor fix and reboot occurred if required.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2024-47682 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
- 8.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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.
SSVC decision data
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:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H3.94.7LinuxVulnerability scoring details
Base CVSS 3.1 score
8.6HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://git.kernel.org/stable/c/60312ae7392f9c75c6591a52fc359cf7f810d48fCVE reference, Linux
- https://git.kernel.org/stable/c/568c7c4c77eee6df7677bb861b7cee7398a3255dCVE reference, Linux
- https://git.kernel.org/stable/c/a776050373893e4c847a49abeae2ccb581153df0CVE reference, Linux
- https://git.kernel.org/stable/c/413df704f149dec585df07466d2401bbd1f490a0CVE reference, Linux
- https://git.kernel.org/stable/c/f81eaf08385ddd474a2f41595a7757502870c0ebCVE reference, Linux
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.htmlCVE reference, CVE
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.