Vulnerability Details : CVE-2020-15469
In QEMU 4.2.0, a MemoryRegionOps object may lack read/write callback methods, leading to a NULL pointer dereference.
Vulnerability category: Memory Corruption
Products affected by CVE-2020-15469
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-15469
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 12 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-15469
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:N/A:P |
3.9
|
2.9
|
NIST | |
2.3
|
LOW | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L |
0.8
|
1.4
|
NIST |
CWE ids for CVE-2020-15469
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-15469
-
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
[SECURITY] [DLA 3099-1] qemu security updateMailing List;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2021/02/msg00024.html
[SECURITY] [DLA 2560-1] qemu security updateMailing List;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2020/07/02/1
oss-security - CVE-2020-15469 QEMU: MMIO ops null pointer dereference may lead to DoSMailing List;Patch;Third Party Advisory
-
https://lists.gnu.org/archive/html/qemu-devel/2020-06/msg09961.html
[PATCH v3 0/9] memory: assert and define MemoryRegionOps callbacksMailing List;Patch;Third Party Advisory
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