CentOS Linux 8.5 [TuxCare] Security Update: bpftool / kernel / kernel-core / kernel-cross-headers / etc Multiple Vulnerabilities (CENTOS8.5:CLSA-2026:1784274653)

"The CentOS Linux 8.5 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS8.5:CLSA-2026:1784274653 advisory. - In the Linux kernel, the following vulnerability has been resolved: macvlan: fix error recovery in macvlancommonnewlink valis...

CVE-2026-23273 macvlan: observe an RCU grace period in macvlan_common_newlink() error path

In the Linux kernel, the following vulnerability has been resolved: macvlan: observe an RCU grace period in macvlancommonnewlink error path valis reported that a race condition still happens after my prior patch. macvlancommonnewlink might have made @dev visible before detecting an error, and its...

CVE-2026-23273: Use After Free

In the Linux kernel, the following vulnerability has been resolved: macvlan: observe an RCU grace period in macvlancommonnewlink error path valis reported that a race condition still happens after my prior patch. macvlancommonnewlink might have made @dev visible before detecting an error, and its...

CVE-2026-23209: Use After Free

In the Linux kernel, the following vulnerability has been resolved: macvlan: fix error recovery in macvlancommonnewlink valis provided a nice repro to crash the kernel: ip link add p1 type veth peer p2 ip link set address 00:00:00:00:00:20 dev p1 ip link set up dev p1 ip link set up dev p2 ip lin...

CVE-2022-49853 net: macvlan: fix memory leaks of macvlan_common_newlink

In the Linux kernel, the following vulnerability has been resolved: net: macvlan: fix memory leaks of macvlancommonnewlink kmemleak reports memory leaks in macvlancommonnewlink, as follows: ip link add link eth0 name .. type macvlan mode source macaddr add kmemleak reports: unreferenced object...

CVE-2022-49853 net: macvlan: fix memory leaks of macvlan_common_newlink

In the Linux kernel, the following vulnerability has been resolved: net: macvlan: fix memory leaks of macvlancommonnewlink kmemleak reports memory leaks in macvlancommonnewlink, as follows: ip link add link eth0 name .. type macvlan mode source macaddr add kmemleak reports: unreferenced object...

CVE-2022-49853: Missing Release of Memory after Effective Lifetime

In the Linux kernel, the following vulnerability has been resolved: net: macvlan: fix memory leaks of macvlancommonnewlink kmemleak reports memory leaks in macvlancommonnewlink, as follows: ip link add link eth0 name .. type macvlan mode source macaddr add kmemleak reports: unreferenced object...

kernel: net: macvlan: fix memory leaks of macvlan_common_newlink

In the Linux kernel, the following vulnerability has been resolved: net: macvlan: fix memory leaks of macvlancommonnewlink kmemleak reports memory leaks in macvlancommonnewlink, as follows: ip link add link eth0 name .. type macvlan mode source macaddr add kmemleak reports: unreferenced object...