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CVE Record

CVE-2022-48885: ice: Fix potential memory leak in ice_gnss_tty_write()

In the Linux kernel, the following vulnerability has been resolved: ice: Fix potential memory leak in ice_gnss_tty_write() The ice_gnss_tty_write() return directly if the write_buf alloc failed, leaking the cmd_buf. Fix by free cmd_buf if write_buf alloc failed.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2022-48885 is a Linux kernel memory leak in the ice driver’s GNSS TTY write path. If one allocation fails, another buffer is not freed. Sources do not provide CVSS, active exploitation, or impact detail, so urgency depends on whether affected kernels and this driver path are present.

Executive priority

Treat as a kernel maintenance item unless asset inventory shows broad affected ice driver use on critical systems. Lack of severity scoring and exploitation evidence lowers immediate emergency posture, but kernel memory leaks can affect reliability and should not be ignored.

Technical view

The flaw is in ice_gnss_tty_write(). When write_buf allocation fails, the function returns without freeing cmd_buf, causing a potential kernel memory leak. The supplied affected data names Linux kernel versions including 6.0, 6.1.7, and 6.2, with fixes referenced in stable kernel commits.

Likely exposure

Exposure is most likely on systems running affected Linux kernels with the ice driver code present, especially where the GNSS TTY write path can be reached. The bundle does not establish remote exposure, default reachability, or affected distributions.

Exploitation context

No CISA KEV listing is present, and the provided sources do not claim active exploitation. The described issue is a memory leak on allocation failure, suggesting potential stability or resource-exhaustion concern rather than confirmed code execution.

Researcher notes

Key uncertainty is reachability: the bundle identifies the vulnerable function and fix pattern, but not attacker prerequisites, required privileges, or operational trigger conditions. Validate exposure through kernel version, driver presence, and vendor fixed-version mapping.

Mitigation direction

  • Inventory Linux systems for affected kernel versions and ice driver usage.
  • Update to a kernel package containing the referenced stable fixes.
  • Follow distribution or vendor kernel guidance before applying custom backports.
  • Prioritize exposed or high-availability systems if the ice driver path is used.

Validation and detection

  • Confirm running kernel versions across Linux assets.
  • Check whether the ice driver is present or loaded on relevant hosts.
  • Verify kernel source or package includes the referenced stable commits.
  • Review vendor advisories for distribution-specific affected and fixed versions.
Prepared
Confidence
medium
Sources
4

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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

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CVE-2022-48885 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
3Timeline events
1ADP providers
3Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: partial

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinuxd6b98c8d242aee40e7b8919dd07b593b0739e38d, d6b98c8d242aee40e7b8919dd07b593b0739e38dunaffected
LinuxLinux6.0, 0, 6.1.7, 6.2affected
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.