In the Linux kernel 5.4.0-rc2, there is a use-after-free (read) in the __blk_add_trace function in kernel/trace/blktrace.c (which is used to fill out a blk_io_trace structure and place it in a per-cpu sub-buffer).
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This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 1.4%, top 19% 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).
In the Linux kernel 5.4.0-rc2, there is a use-after-free (read) in the __blk_add_trace function in kernel/trace/blktrace.c (which is used to fill out a blk_io_trace structure and place it in a per-cpu sub-buffer).
December 12, 2019
November 21, 2024
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.
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
RHSA-2020:1567 — Important
RHSA-2020:1769 — Important
RHSA-2020:1966 — Important
RHSA-2020:2082 — Important
RHSA-2020:2085 — Important
RHSA-2020:2104 — Important
RHSA-2020:2199 — Important
RHSA-2020:2203 — Important
RHSA-2020:2214 — Important
RHSA-2020:2242 — Important
RHSA-2020:2277 — Important
RHSA-2020:2285 — Important
RHSA-2020:2289 — Important
RHSA-2020:2291 — Important
RHSA-2020:2519 — Important
RHSA-2020:2522 — Important
Linux kernel vulnerabilities
Linux kernel vulnerabilities
Linux kernel vulnerabilities
Linux kernel vulnerabilities
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redhat
CWE-416