CVE-2020-14304: linux kernel kernel Improper Cleanup on Thrown Exception
CVSS: 4.4v3.1MediumModified
AliasesUBUNTU-CVE-2020-14304DEBIAN-CVE-2020-14304
Published 15-09-2020Last modified 07-10-2026
Vulnerability summary
CVE-2020-14304 is a medium (CVSS 4.4) Improper Cleanup on Thrown Exception vulnerability in linux kernel kernel. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 30.7% of scored vulnerabilities.
CVSS score
4.4/10
010
Medium · v3.1 (CVE.org)EPSS score
0.38%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 15-09-2020PublishedVulnerability first disclosed.
- 07-10-2026Last modifiedVulnerability information updated.
Description
A memory disclosure flaw was found in the Linux kernel's ethernet drivers, in the way it read data from the EEPROM of the device. This flaw allows a local user to read uninitialized values from the kernel memory. The highest threat from this vulnerability is to confidentiality.
CVSS metrics
5 scores · 4 sources · 2 versionsMedium 4.4Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:NSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated4.4MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated4.4MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
- NVDNIST4.4MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Low 2.1Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
0.38%
Chance of exploitation in the next 30 days
Percentile
31%
Versus all other CVEs
30-day change
0.00 pp
From 0.38% on 19-09-2026
19-09-202619-10-2026
EPSS score0.38%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-460Improper Cleanup on Thrown ExceptionThe product does not clean up its state or incorrectly cleans up its state when an exception is thrown, leading to unexpected state or control flow.
- CWE-755Improper Handling of Exceptional ConditionsThe product does not handle or incorrectly handles an exceptional condition.
Affected systems
Ubuntu170 products
- linuxAll versions (No fix recorded)
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded)
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian1 product
- linuxAll versions (No fix recorded)
Linux1 product
- linux_kernelEOL4.9.210-1 | 4.19.118-2 | 5.6.7-1
Linux kernel1 product
- kernel5.6.7-1 | 4.19.118-2 | 4.9.210-1
4 vendors · 173 products
References
6 links- bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14304X Refsource CONFIRMIssue TrackingThird Party Advisory
