Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

The vulnerability of the igmp6_send() function in the net/ipv6/mcast.c module of the IPv6 protocol implementation in the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the igmp6send function in the net/ipv6/mcast.c module of the Linux operating system’s IPv6 kernel implementation is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

CVE-2022-48785

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: use rcu-safe version of ipv6getlladdr Some time ago 8965779d2c0e "ipv6,mcast: always hold idev-lock before mcalock" switched ipv6getlladdr to ipv6getlladdr, which is rcu-unsafe version. That was OK, because idev-lock...

CVE-2022-48785

The CVE-2022-48785 issue in the Linux kernel concerns ipv6: mcast path where ipv6_get_lladdr() was switched to __ipv6_get_lladdr(), an RCUnsafe variant, after external locks were removed in mld updates. The description notes this is only safe when idev->lock is held for those code paths, but w...

CVE-2022-48785

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: use rcu-safe version of ipv6getlladdr Some time ago 8965779d2c0e "ipv6,mcast: always hold idev-lock before mcalock" switched ipv6getlladdr to ipv6getlladdr, which is rcu-unsafe version. That was OK, because idev-lock...