CVE-2022-50824: tpm: tpm_tis: Add the missed acpi_put_table() to fix memory leak

Deferred
AliasesUBUNTU-CVE-2022-50824DEBIAN-CVE-2022-50824
Published 30-12-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-50824 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 17.4% of scored vulnerabilities.

Priority
Insufficient evidence

No CVSS vector published; no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
0.26%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 7 · Related 5

Timeline

  1. 30-12-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: tpm: tpm_tis: Add the missed acpi_put_table() to fix memory leak In check_acpi_tpm2(), we get the TPM2 table just to make sure the table is there, not used after the init, so the acpi_put_table() should be added to release the ACPI memory.

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.26%

Chance of exploitation in the next 30 days

Percentile

17%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.26% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: not stated in public data.

Ubuntu120 products
  • linux< 4.15.0-208.220 | < 5.4.0-144.161 | < 5.15.0-69.76
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 4.15.0-1153.166 | < 5.4.0-1097.105 | < 5.15.0-1033.37
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.1.4-1
Linux1 product
  • linux≥ 4cb586a188d468e05649575f0689dd2bf8c122e6, < 8bc6c10d3f389693410adb14b4e9deec01ff6334 | ≥ 4cb586a188d468e05649575f0689dd2bf8c122e6, < de667a2704ae799f697fd45cf4317623d8c79fb7 | ≥ 4cb586a188d468e05649575f0689dd2bf8c122e6, < e027f3b9fabd2b410a4e6a7651e7a45b87019f23 | ≥ 4cb586a188d468e05649575f0689dd2bf8c122e6, < 3b6c822238da9ee8984803355601bcc603d49cb5 | ≥ 4cb586a188d468e05649575f0689dd2bf8c122e6, < 43135fb098126ef2cd6ed584900fd7bfa25f95ce | ≥ 4cb586a188d468e05649575f0689dd2bf8c122e6, < e0d1cf8ef84bb14a673215699fb8acc187aa2c4a | ≥ 4cb586a188d468e05649575f0689dd2bf8c122e6, < e60fa800a32a693d672b1a091424d780278c4587 | ≥ 4cb586a188d468e05649575f0689dd2bf8c122e6, < db9622f762104459ff87ecdf885cc42c18053fd9 | 4.13

3 vendors · 122 products

References

12 links
Show all 12 references