A use after free in the Linux kernel infiniband hfi1 driver in versions prior to 5.10-rc6 was found in the way user calls Ioctl after open dev file and fork. A local user could use this flaw to crash the system.
Source: MITRE
Published: 2021-01-07
Updated: 2021-01-14
Type: CWE-416
Base Score: 4.9
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
Impact Score: 6.9
Exploitability Score: 3.9
Severity: MEDIUM
Base Score: 4.4
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 0.8
Severity: MEDIUM
OR
cpe:2.3:a:linux:infiniband_hfi1_driver:*:*:*:*:*:*:*:* versions up to 5.9 (inclusive)
cpe:2.3:a:linux:infiniband_hfi1_driver:5.10:rc1:*:*:*:*:*:*
cpe:2.3:a:linux:infiniband_hfi1_driver:5.10:rc2:*:*:*:*:*:*
cpe:2.3:a:linux:infiniband_hfi1_driver:5.10:rc3:*:*:*:*:*:*
ID | Name | Product | Family | Severity |
---|---|---|---|---|
147978 | Ubuntu 20.04 LTS / 20.10 : Linux kernel vulnerabilities (USN-4751-1) | Nessus | Ubuntu Local Security Checks | high |
146685 | SUSE SLES15 Security Update : kernel (SUSE-SU-2021:0532-1) | Nessus | SuSE Local Security Checks | high |
146511 | SUSE SLES12 Security Update : kernel (SUSE-SU-2021:0452-1) | Nessus | SuSE Local Security Checks | high |
146474 | SUSE SLES15 Security Update : kernel (SUSE-SU-2021:0438-1) | Nessus | SuSE Local Security Checks | high |
146470 | SUSE SLES12 Security Update : kernel (SUSE-SU-2021:0434-1) | Nessus | SuSE Local Security Checks | high |
146406 | SUSE SLES15 Security Update : kernel (SUSE-SU-2021:0427-1) | Nessus | SuSE Local Security Checks | high |
146366 | SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2021:0354-1) | Nessus | SuSE Local Security Checks | high |
146362 | SUSE SLES12 Security Update : kernel (SUSE-SU-2021:0348-1) | Nessus | SuSE Local Security Checks | high |
146359 | SUSE SLES12 Security Update : kernel (SUSE-SU-2021:0353-1) | Nessus | SuSE Local Security Checks | high |
145320 | openSUSE Security Update : the Linux Kernel (openSUSE-2021-60) | Nessus | SuSE Local Security Checks | high |