CVE-2022-50824: tpm: tpm_tis: Add the missed acpi_put_table() to fix memory leak
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.
No CVSS vector published; no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 7 · Related 5Timeline
- 30-12-2025PublishedVulnerability first disclosed.
- 11-05-2026Last 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
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
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