CVE-2020-11669: linux linux_kernel
Vulnerability summary
CVE-2020-11669 is a medium (CVSS 5.5) vulnerability in linux linux_kernel. EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 42.6% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 14 · Related 13Timeline
- 10-04-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in the Linux kernel before 5.2 on the powerpc platform. arch/powerpc/kernel/idle_book3s.S does not have save/restore functionality for PNV_POWERSAVE_AMR, PNV_POWERSAVE_UAMOR, and PNV_POWERSAVE_AMOR, aka CID-53a712bae5dd.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.50%
Chance of exploitation in the next 30 days
Percentile
43%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.50% 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: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu30 products
- linux< 4.15.0-101.102
- linux-aws< 4.15.0-1067.71
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-fips< 4.15.0-2018.18 | All versions (No fix recorded)
- linux-aws-hwe< 4.15.0-1067.71~16.04.1
Debian1 product
- linux< 5.2.6-1
Linux1 product
- linux_kernel< 5.2
Opensuse1 product
- leapEOL15.1
Redhat1 product
- enterprise_linuxEOL7.0
5 vendors · 34 products
References
18 links- cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2X Refsource MISCREPORTRelease NotesVendor Advisory
- lists.ozlabs.org/pipermail/linuxppc-dev/2020-April/208663.htmlX Refsource MISCMailing ListPatchThird Party Advisory
- lists.ozlabs.org/pipermail/linuxppc-dev/2020-April/208660.htmlX Refsource MISCMailing ListPatchThird Party Advisory
- lists.ozlabs.org/pipermail/linuxppc-dev/2020-April/208661.htmlX Refsource MISCMailing ListPatchThird Party Advisory
- github.com/torvalds/linux/commit/53a712bae5dd919521a58d7bad773b949358add0X Refsource CONFIRMREPORTPatchVendor Advisory
- lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.htmlVendor AdvisoryX Refsource SUSEMailing ListPatchThird Party Advisory
- security.netapp.com/advisory/ntap-20200430-0001/X Refsource CONFIRMMailing ListPatchThird Party Advisory