7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.6 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
0.0004 Low
EPSS
Percentile
13.2%
prealloc_elems_and_freelist in kernel/bpf/stackmap.c in the Linux kernel
before 5.14.12 allows unprivileged users to trigger an eBPF multiplication
integer overflow with a resultant out-of-bounds write.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | linux | <Â 4.15.0-166.174 | UNKNOWN |
ubuntu | 20.04 | noarch | linux | <Â 5.4.0-92.103 | UNKNOWN |
ubuntu | 21.04 | noarch | linux | <Â 5.11.0-44.48 | UNKNOWN |
ubuntu | 21.10 | noarch | linux | <Â 5.13.0-23.23 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws | <Â 4.15.0-1118.125 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-aws | <Â 5.4.0-1061.64 | UNKNOWN |
ubuntu | 21.04 | noarch | linux-aws | <Â 5.11.0-1023.24 | UNKNOWN |
ubuntu | 21.10 | noarch | linux-aws | <Â 5.13.0-1008.9 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-aws-5.11 | <Â 5.11.0-1023.24~20.04.1 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws-5.4 | <Â 5.4.0-1061.64~18.04.1 | UNKNOWN |
git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git/commit/?id=30e29a9a2bc6a4888335a6ede968b75cd329657a
github.com/torvalds/linux/commit/30e29a9a2bc6a4888335a6ede968b75cd329657a
launchpad.net/bugs/cve/CVE-2021-41864
nvd.nist.gov/vuln/detail/CVE-2021-41864
security-tracker.debian.org/tracker/CVE-2021-41864
ubuntu.com/security/notices/USN-5139-1
ubuntu.com/security/notices/USN-5140-1
ubuntu.com/security/notices/USN-5208-1
ubuntu.com/security/notices/USN-5209-1
ubuntu.com/security/notices/USN-5210-1
ubuntu.com/security/notices/USN-5218-1
www.cve.org/CVERecord?id=CVE-2021-41864
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.6 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
0.0004 Low
EPSS
Percentile
13.2%