Security readout for executives and security teams
Plain-English summary
A Linux clock-driver layout error can overwrite a nearby kernel lock when the Loongson2 driver initializes. On an affected system, a local low-privileged user could potentially cause serious confidentiality, integrity, or availability impact. Exposure appears hardware and driver specific, not universal across Linux deployments.
Executive priority
Treat this as a high-priority kernel maintenance issue for Loongson2 infrastructure because successful memory corruption could compromise the whole system. First identify applicable hardware and driver use; systems outside that scope can be deprioritized once non-exposure is verified.
Technical view
The Loongson2 clock provider embeds a structure containing a flexible-array member before a spinlock. Allocation includes space for the array, but array writes can extend into and corrupt the adjacent clk_lock. The documented fix moves clk_data to the end of the provider structure. CVSS 3.1 is 7.8: local, low complexity, low privileges, no interaction.
Likely exposure
The bundle marks Linux 6.10, 6.11.11, 6.12.2, and 6.13 as affected, while also listing an ambiguous “0” version. Practical exposure likely requires a kernel that includes and probes the Loongson2 clock driver. Distribution backports may change exposure, so version-only conclusions are insufficient.
Exploitation context
The supplied record does not report active exploitation, and the CVE is not listed as KEV in the bundle. The CVSS vector indicates local access and low privileges are required. No evidence provided establishes a public exploit, reliable exploitation path, or observed attacks.
Researcher notes
CWE-787 applies. The defect is an intra-object overwrite caused by nesting a flexible-array-containing structure before another member. The supplied fix reorders clk_data after clk_lock and documents the layout constraint. The bundle’s version data is inconsistent or ambiguous, so commit-level and distributor-level verification is preferable.
Mitigation direction
- Apply a vendor-supported kernel containing the referenced upstream fix or an equivalent backport.
- Confirm distribution guidance because patched package versions may differ from upstream kernel versions.
- Prioritize Loongson2 systems where the affected clock driver is present and initialized.
- Use vendor-supported kernels rather than attempting an unreviewed source-level modification.
Validation and detection
- Inventory kernel versions on Loongson2 systems and compare them with vendor security guidance.
- Determine whether each system includes and initializes the clk-loongson2 driver.
- Verify the installed kernel contains a referenced fix commit or an equivalent backport.
- After updating, validate normal boot, clock operation, and system stability.
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.
CWE-787: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2024-53193 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
- 7.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/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.
SSVC decision data
CVSS vector scores
2 official scoresWe 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:L/UI:N/S:U/C:H/I:H/A:H1.85.9LinuxCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H1.85.9CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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/76918202615f2ba7deda14901d9fff528a180099CVE reference, Linux
- https://git.kernel.org/stable/c/145de18065b9840687d9b4e63746238c1da25d22CVE reference, Linux
- https://git.kernel.org/stable/c/6e4bf018bb040955da53dae9f8628ef8fcec2dbeCVE reference, Linux
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.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.