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CentOS: Security Advisory for bpftool (CESA-2021:3438)

Information

Severity

Severity

Medium

Family

Family

CentOS Local Security Checks

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

Solution Type

Solution Type

Vendor Patch

Created

Created

2 years ago

Modified

Modified

2 years ago

Summary

The remote host is missing an update for the 'bpftool' package(s) announced via the CESA-2021:3438 advisory.

Insight

Insight

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: use-after-free in route4_change() in net/sched/cls_route.c (CVE-2021-3715) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Bug Fix(es): * [RHEL 7.8][s390x][DASD]Crash in __list_del_entry, alias_pav_group list corrupt when running dasd_alias_remove_device() (BZ#1889418) * EMBARGOED CVE-2021-3715 kernel: use-after-free in route4_change() in net/sched/cls_route.c (BZ#1992926)

Affected Software

Affected Software

'bpftool' package(s) on CentOS 7.

Detection Method

Detection Method

Checks if a vulnerable package version is present on the target host.

Solution

Solution

Please install the updated package(s).

Common Vulnerabilities and Exposures (CVE)