Security readout for executives and security teams
Plain-English summary
This is a Linux kernel denial-of-service issue in graphics memory handling. A local low-privileged user could trigger a null pointer dereference and potentially crash the system. The record does not indicate data theft or privilege escalation.
Executive priority
Treat as a moderate operational resilience issue. Patch through normal kernel maintenance, faster for multi-user or graphics-heavy Linux hosts where local users can affect system availability.
Technical view
CVE-2023-53352 is a CWE-476 null pointer dereference in Linux DRM TTM swapout handling. The crash path includes ttm_bo_evict_swapout_allowable, ttm_bo_swapout, and amdgpu-related buffer operations. CVSS 3.1 is 5.5: local, low complexity, low privileges, no user interaction, high availability impact.
Likely exposure
Exposure is most relevant to Linux systems with DRM/TTM graphics memory management enabled. The bundle names Linux and identifies fixed stable versions 5.15.124, 6.1.43, and 6.4.8 as unaffected, but does not provide complete vulnerable version ranges.
Exploitation context
The source bundle says this is not in KEV and provides no evidence of active exploitation. The CVSS vector requires local privileges and no user interaction. Expected impact is availability loss from a kernel crash, not confidentiality or integrity compromise.
Researcher notes
Evidence supports a local availability bug in Linux DRM TTM swapout logic fixed by adding a null pointer check. The bundle lacks full affected range detail, so validation should rely on kernel version, stable commit presence, and distribution backport advisories.
Mitigation direction
- Upgrade to a vendor-supported kernel containing the referenced stable fixes.
- Confirm distro kernels include the relevant Linux stable backport.
- Prioritize shared workstations, GPU hosts, and multi-user Linux systems.
- Check vendor guidance if exact kernel exposure is unclear.
Validation and detection
- Inventory Linux kernel versions across exposed fleets.
- Check whether deployed kernels include the referenced fix commits or backports.
- Identify systems using DRM/TTM or AMDGPU graphics paths.
- Review crash logs for matching TTM null dereference traces.
Public sources used
- CVE Program
- CVE List V5
- Linux stable commit d39971d902d067b4dc366981b75b17c8c57ed5d1
- Linux stable commit 8089eb93d6787dbf348863e935698b4610d90321
- Linux stable commit 1fdd16d89c01336d9a942b5f03673c17d401da87
- Linux stable commit 49b3b979e79faef129605018ad82aa0f2258f2f7
- Linux stable commit 2dedcf414bb01b8d966eb445db1d181d92304fb2
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-476: 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-2023-53352 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
- Medium
- CVSS
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H1.83.6CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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/d39971d902d067b4dc366981b75b17c8c57ed5d1CVE reference, Linux
- https://git.kernel.org/stable/c/8089eb93d6787dbf348863e935698b4610d90321CVE reference, Linux
- https://git.kernel.org/stable/c/1fdd16d89c01336d9a942b5f03673c17d401da87CVE reference, Linux
- https://git.kernel.org/stable/c/49b3b979e79faef129605018ad82aa0f2258f2f7CVE reference, Linux
- https://git.kernel.org/stable/c/2dedcf414bb01b8d966eb445db1d181d92304fb2CVE 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.
NULL Pointer Dereference
NULL Pointer Dereference represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.