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CVE-2022-50866· NVD / CVE Program· CNA Linux

ASoC: pxa: fix null-pointer dereference in filter()

In the Linux kernel, the following vulnerability has been resolved: ASoC: pxa: fix null-pointer dereference in filter() kasprintf() would return NULL pointer when kmalloc() fail to allocate. Need to check the return pointer before calling strcmp().

—No exploit Fix available
Published
Dec 30, 2025
Updated
Jun 17, 2026
EPSS
0.2% · 13th percentile
CWE
—
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Action score

0

Monitor

Low priority for now.

CVSS
0 / 40 · —
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

Affected systems

—

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.

  • Linux Linux

    • 3.6affected
    • 7a824e214e25a49442fe868dac0af8a904b24f58 and later · before 3ec75e0ea9550b8f2e531172f2e67ba9d5227ec3affected · git
    • 7a824e214e25a49442fe868dac0af8a904b24f58 and later · before 5b510a82740d2a42a75b5661b402bcaf8ae22cd5affected · git
    • 7a824e214e25a49442fe868dac0af8a904b24f58 and later · before 0abd1d78317a3a2dfe00b203fbf14ee7df537e0aaffected · git
    • 7a824e214e25a49442fe868dac0af8a904b24f58 and later · before a8baccb79de2f48a2083d51febf627eb50ce1898affected · git
    • 7a824e214e25a49442fe868dac0af8a904b24f58 and later · before 21a1409e8cf73053b54f7860548e3043dfa351a9affected · git
    • 7a824e214e25a49442fe868dac0af8a904b24f58 and later · before 83baa509396a742e0ce145b09fde1ce0a948f49aaffected · git
    • 7a824e214e25a49442fe868dac0af8a904b24f58 and later · before 9fb9b3b67a5b8669296d6372cd901ef86557e6f6affected · git
    • 7a824e214e25a49442fe868dac0af8a904b24f58 and later · before 21b92cf41952577a95bfa430e39478cbd66e42a7affected · git
    • 7a824e214e25a49442fe868dac0af8a904b24f58 and later · before ec7bf231aaa1bdbcb69d23bc50c753c80fb22429affected · git

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.4-16.1.4-1

Same product

linux: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-74705udp: fix potential use-after-free in tunnel segmentation
    40Plan
  • CVE-2026-74612veth: fix skb length accounting after XDP frag adjustment
    40Plan
  • CVE-2026-74475vxlan: use neigh_ha_snapshot() in route_shortcircuit()
    40Plan
  • CVE-2026-74309vdpa/octeon_ep: fix IRQ-to-ring mapping in interrupt handler
    40Plan
  • CVE-2026-74280crypto: marvell/octeontx - fix DMA cleanup using wrong loop index
    40Plan
  • CVE-2026-74279crypto: cavium/cpt - fix DMA cleanup using wrong loop index
    40Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Linux Linux0abd1d78317a3a2dfe00b203fbf14ee7df537e0aVendor (CNA)
Linux Linux21a1409e8cf73053b54f7860548e3043dfa351a9Vendor (CNA)
Linux Linux21b92cf41952577a95bfa430e39478cbd66e42a7Vendor (CNA)
Linux Linux3ec75e0ea9550b8f2e531172f2e67ba9d5227ec3Vendor (CNA)
Linux Linux5b510a82740d2a42a75b5661b402bcaf8ae22cd5Vendor (CNA)
Linux Linux83baa509396a742e0ce145b09fde1ce0a948f49aVendor (CNA)
Linux Linux9fb9b3b67a5b8669296d6372cd901ef86557e6f6Vendor (CNA)
Linux Linuxa8baccb79de2f48a2083d51febf627eb50ce1898Vendor (CNA)
Linux Linuxec7bf231aaa1bdbcb69d23bc50c753c80fb22429Vendor (CNA)
debian:linux6.1.4-1 · Debian:12Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

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Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

No CVSS vector for this record, so attack conditions can't be derived.

Weakness class (CWE)

—

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

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Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records