6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
0.001 Low
EPSS
Percentile
47.6%
An issue was discovered in the Linux kernel before 5.10.
drivers/infiniband/core/ucma.c has a use-after-free because the ctx is
reached via the ctx_list in some ucma_migrate_id situations where
ucma_close is called, aka CID-f5449e74802c.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | linux | < 4.15.0-162.170 | UNKNOWN |
ubuntu | 20.04 | noarch | linux | < 5.4.0-90.101 | UNKNOWN |
ubuntu | 16.04 | noarch | linux | < 4.4.0-222.255 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws | < 4.15.0-1115.122 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-aws | < 5.4.0-1059.62 | UNKNOWN |
ubuntu | 14.04 | noarch | linux-aws | < 4.4.0-1102.107 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws | < 4.4.0-1138.152 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws-5.4 | < 5.4.0-1059.62~18.04.1 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws-hwe | < 4.15.0-1115.122~16.04.1 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-azure | < 5.4.0-1063.66 | UNKNOWN |
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10
git.kernel.org/linus/f5449e74802c1112dea984aec8af7a33c4516af1
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f5449e74802c1112dea984aec8af7a33c4516af1
launchpad.net/bugs/cve/CVE-2020-36385
nvd.nist.gov/vuln/detail/CVE-2020-36385
security-tracker.debian.org/tracker/CVE-2020-36385
sites.google.com/view/syzscope/kasan-use-after-free-read-in-ucma_close-2
syzkaller.appspot.com/bug?id=457491c4672d7b52c1007db213d93e47c711fae6
ubuntu.com/security/notices/USN-5136-1
ubuntu.com/security/notices/USN-5137-1
ubuntu.com/security/notices/USN-5137-2
ubuntu.com/security/notices/USN-5343-1
www.cve.org/CVERecord?id=CVE-2020-36385
6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
0.001 Low
EPSS
Percentile
47.6%