6.5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
6.7 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
0.0004 Low
EPSS
Percentile
14.3%
In the Linux kernel 5.3.10, there is a use-after-free (read) in the
perf_trace_lock_acquire function (related to include/trace/events/lock.h).
Author | Note |
---|---|
sbeattie | first attempted fix was 6d390e4b5d48ec03bb87e63cf0a2bff5f4e116da but that showed performance issues in synthetic benchmarks, more complex fix is dcf23ac3e846ca0cf626c155a0e3fcbbcf4fae8a may be introduced by 16306a61d3b7c433c7a127ec6224867b88ece687 no confirmation that the fixes listed actually address the reporter’s issue the conservative fix for this issue may be to just apply 6d390e4b5d48ec03bb87e63cf0a2bff5f4e116da |
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 19.10 | noarch | linux | < 5.3.0-53.47 | UNKNOWN |
ubuntu | 19.10 | noarch | linux-aws | < 5.3.0-1019.21 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws-5.3 | < 5.3.0-1019.21~18.04.1 | UNKNOWN |
ubuntu | 19.10 | noarch | linux-azure | < 5.3.0-1022.23 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-azure-5.3 | < 5.3.0-1022.23~18.04.1 | UNKNOWN |
ubuntu | 19.10 | noarch | linux-gcp | < 5.3.0-1020.22 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-gcp-5.3 | < 5.3.0-1020.22~18.04.1 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-gke-5.0 | < 5.0.0-1037.38 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-gke-5.3 | < 5.3.0-1020.22~18.04.1 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-hwe | < 5.3.0-53.47~18.04.1 | UNKNOWN |
6.5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
6.7 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
0.0004 Low
EPSS
Percentile
14.3%