02 Records
FEED: ACQUIRING
01 RecordSTATE: PUBLISHED
02 Description
CNA: redhatA use-after-free flaw was found in kernel/trace/ring_buffer.c in Linux kernel (before 5.10-rc1). There was a race problem in trace_open and resize of cpu buffer running parallely on different cpus,
03 Exploitation and scoring
SRC: CISA, FIRST, NVD, RED HAT- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.28% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Ranks above 19.8% of scored records. A rank, not a probability.
- NVD base score
- 5.7 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
SCHEMA: 5.1
- Published
- 2020-12-11 17:13Z5 YR AGO
- Last updated
- 2024-08-04 16:25Z2 YR AGO
- Reserved
- 2020-10-27
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class
- CWE-825Expired Pointer DereferenceBase
- Data version
- 5.1
- Document digest
- c47f2117b726a031189e5e268d9c2bc8ddfbfbadb0bbf06be62b4d5bf3906eda
05 Affected products
PAIRS: 1VendorProductVersionsPlatforms
n/akernelbefore kernel 5.10-rc1—