CVE-2021-1968

MEDIUMNVD 6.25.5▼
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2022-05-24. NVD baseline CVSS 6.2; sources differ by 0.7.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.2
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.2Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Improper validation of kernel buffer address while copying information back to user buffer can lead to kernel memory information exposure to user space in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

CVSS v3
6.2
EG Score
5.5(medium)
EPSS
6.5%
KEV
Not listed

Published

October 20, 2021

Last Modified

November 21, 2024

References (4)

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 42× 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.

  1. 2026-07-20 17:04 UTCEPSS rescore
  2. 2026-07-19 14:28 UTCEPSS rescore
  3. 2026-07-19 02:26 UTCEPSS rescore
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  11. 2026-07-13 06:10 UTCEPSS rescore
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  15. 2026-07-11 08:25 UTCEPSS rescore
  16. 2026-07-09 19:07 UTCEPSS rescore
  17. 2026-07-08 15:12 UTCEPSS rescore
  18. 2026-07-07 13:43 UTCEPSS rescore
  19. 2026-07-06 16:25 UTCEPSS rescore
  20. 2026-07-05 02:28 UTCEPSS rescore
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  24. 2026-07-02 16:57 UTCEPSS rescore
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  1. 2026-06-30 23:20 UTCEPSS rescore
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  3. 2026-06-29 14:04 UTCEPSS rescore
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  5. 2026-06-28 14:05 UTCEPSS rescore
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  8. 2026-06-27 03:06 UTCEPSS rescore
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  10. 2026-06-25 13:48 UTCEPSS rescore
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  14. 2026-06-23 21:31 UTCEPSS rescore
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  18. 2026-06-21 14:54 UTCEPSS rescore
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  20. 2026-06-21 01:58 UTCEPSS rescore
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  22. 2026-06-19 19:24 UTCEPSS rescore
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  24. 2026-06-18 17:51 UTCEPSS rescore
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  26. 2026-06-17 17:51 UTCEPSS rescore
  27. 2026-06-16 17:50 UTCEPSS rescore
  28. 2026-06-15 17:46 UTCEPSS rescore
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  30. 2026-06-13 22:58 UTCEPSS rescore
  31. 2026-06-12 23:10 UTCEPSS rescore
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  36. 2026-06-10 13:20 UTCEPSS rescore
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  39. 2026-06-07 15:23 UTCEPSS rescore
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  41. 2026-06-06 13:46 UTCEPSS rescore
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  44. 2026-06-05 22:45 UTCEPSS rescore
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  46. 2026-06-05 06:09 UTCEPSS rescore
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  49. 2026-06-04 13:10 UTCEPSS rescore
  50. 2026-06-02 20:11 UTCEPSS rescore
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  52. 2026-06-01 13:50 UTCEPSS rescore
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  54. 2026-05-31 22:29 UTCEPSS rescore
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  56. 2026-05-31 00:15 UTCEPSS rescore
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  58. 2026-05-29 13:42 UTCEPSS rescore
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  60. 2026-05-28 13:43 UTCEPSS rescore
  61. 2026-05-27 13:39 UTCEPSS rescore
  62. 2026-05-26 13:42 UTCEPSS rescore
  63. 2026-05-26 13:42 UTCEPSS rescore
  64. 2026-05-26 08:49 UTCEG score recompute
  65. 2026-05-26 08:49 UTCGHSA enrichment
  66. 2026-05-26 07:17 UTCEPSS rescore
  67. 2026-05-26 07:17 UTCEPSS rescore
  68. 2026-05-24 16:49 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2021-1968?
CVE-2021-1968 is a medium vulnerability published on October 20, 2021. Improper validation of kernel buffer address while copying information back to user buffer can lead to kernel memory information exposure to user space in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon…
When was CVE-2021-1968 disclosed?
CVE-2021-1968 was first published in the National Vulnerability Database on October 20, 2021, 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-2021-1968 actively exploited?
CVE-2021-1968 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 6.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-1968?
CVE-2021-1968 has a CVSS v3 base score of 6.2 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 5.5.
How do I remediate CVE-2021-1968?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-1968, 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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