CVE-2019-13648: linux linux_kernel Resource Management Errors
Vulnerability summary
CVE-2019-13648 is a medium (CVSS 5.5) Resource Management Errors vulnerability in linux linux_kernel. EPSS estimates a 0.58% chance of exploitation in the next 30 days, higher than 47.9% 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 21 · Related 15Timeline
- 19-07-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
In the Linux kernel through 5.2.1 on the powerpc platform, when hardware transactional memory is disabled, a local user can cause a denial of service (TM Bad Thing exception and system crash) via a sigreturn() system call that sends a crafted signal frame. This affects arch/powerpc/kernel/signal_32.c and arch/powerpc/kernel/signal_64.c.
CVSS metrics
5 scores · 3 sources · 3 versions- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.58%
Chance of exploitation in the next 30 days
Percentile
48%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.58% 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 causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu17 products
- linuxAll versions (No fix recorded) | < 4.4.0-161.189 | < 4.15.0-60.67
- linux-aws< 4.4.0-1054.58
- linux-aws-fips< 4.15.0-2018.18 | All versions (No fix recorded)
- linux-azure< 4.15.0-1059.64~14.04.1
- linux-azure-fdeAll versions (No fix recorded)
Debian1 product
- linux< 5.2.6-1
Linux1 product
- linux_kernel≤ 5.2.1
3 vendors · 19 products
References
23 links- git.kernel.org/torvalds/c/f16d80b75a096c52354c6e0a574993f3b0dfbdfeX Refsource CONFIRM
- security.netapp.com/advisory/ntap-20190806-0001/X Refsource CONFIRM