CVE-2022-1048

HIGHNVD 7.07.0—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.0 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 85% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Trending — 3 sources updated this week
7.0
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.0Exploit: NoneExposed: 0

A fix is available — apply it.

A use-after-free flaw was found in the Linux kernel’s sound subsystem in the way a user triggers concurrent calls of PCM hw_params. The hw_free ioctls or similar race condition happens inside ALSA PCM for other ioctls. This flaw allows a local user to crash or potentially escalate their privileges on the system.

CVSS v3
7.0
EG Score
7.0(medium)
EG Risk
—
EPSS
14.7%
KEV
Not listed

Published

April 29, 2022

Last Modified

November 21, 2024

References (10)

Vendor Advisories for CVE-2022-1048(3)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(12)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-image-4.15.0-191-generic-lpae (4.15.0-191.202) @ bionic2026-05-25ubuntu
ubuntulinux-tools-aws-hwe (4.15.0.1139.126) @ xenial2026-05-25ubuntu
ubuntulinux-image-lowlatency (5.4.0.124.125) @ focal2026-05-25ubuntu
ubuntulinux-image-lowlatency-64k-hwe-20.04 (5.15.0.37.37) @ jammy2026-05-25ubuntu
ubuntulinux-oem-5.14-tools-5.14.0-1033 (5.14.0-1033.36) @ focal2026-05-25ubuntu
ubuntulinux-tools-azure-fde (5.4.0.1089.94+cvm1.29) @ focal2026-05-25ubuntu
ubuntulinux-headers-6.1.0-1006-oem (6.1.0-1006.6) @ jammy2026-05-25ubuntu
redhatkernel-0:4.18.0-372.109.1.el8_62024-06-26redhat
redhatkernel-0:5.14.0-162.6.1.el9_12022-11-15redhat
redhatkernel-rt-0:5.14.0-162.6.1.rt21.168.el9_12022-11-15redhat
redhatkernel-0:4.18.0-425.3.1.el82022-11-08redhat
redhatkernel-rt-0:4.18.0-425.3.1.rt7.213.el82022-11-08redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(10)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 12× in last 7d / 49× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 101 total refreshes for this CVE.

  1. 2026-07-22 22:53 UTCEG score recompute
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Frequently asked(5)

What is CVE-2022-1048?
CVE-2022-1048 is a high vulnerability published on April 29, 2022. A use-after-free flaw was found in the Linux kernel’s sound subsystem in the way a user triggers concurrent calls of PCM hwparams. The hwfree ioctls or similar race condition happens inside ALSA PCM for other ioctls. This flaw allows a local user to crash or potentially escalate their privileges on…
When was CVE-2022-1048 disclosed?
CVE-2022-1048 was first published in the National Vulnerability Database on April 29, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-1048 actively exploited?
CVE-2022-1048 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 14.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-1048?
CVE-2022-1048 has a CVSS v3 base score of 7.0 (NVD).
How do I remediate CVE-2022-1048?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-1048, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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