CVE-2025-21812

CVE-2025-21812 concerns AX25 code in the Linux kernel. A lockdep/potential deadlock issue was observed around ax25_setsockopt() where a syzbot thread attempting to acquire rtnl_mutex could deadlock with a thread holding sk_lock-AF_AX25, due to an existing dependency chain involving ax25_setsockop...

CVE-2024-58034 memory: tegra20-emc: fix an OF node reference bug in tegra_emc_find_node_by_ram_code()

In the Linux kernel, the following vulnerability has been resolved: memory: tegra20-emc: fix an OF node reference bug in tegraemcfindnodebyramcode As offindnodebyname release the reference of the argument device node, tegraemcfindnodebyramcode releases some device nodes while still in use,...

CVE-2024-58034

CVE-2024-58034 in the Linux kernel fixes an OF node reference bug in memory: tegra20-emc. The issue arises when tegra_emc_find_node_by_ram_code() releases some device nodes while still in use, potentially causing use-after-free (UAF). The description states that the emc-tables node is a child wit...

AZL-58476 CVE-2025-21791 affecting package kernel for versions less than 5.15.179.1-1

In the Linux kernel, the following vulnerability has been resolved: vrf: use RCU protection in l3mdevl3out l3mdevl3out can be called without RCU being held: rawsendmsg ippushpendingframes ipsendskb iplocalout iplocalout l3mdevipout Add rcureadlock / rcureadunlock pair to avoid a potential UAF...

CVE-2025-21791

In the Linux kernel, the following vulnerability has been resolved: vrf: use RCU protection in l3mdevl3out l3mdevl3out can be called without RCU being held: rawsendmsg ippushpendingframes ipsendskb iplocalout iplocalout l3mdevipout Add rcureadlock / rcureadunlock pair to avoid a potential UAF...

AZL-58566 CVE-2025-21791 affecting package kernel for versions less than 6.6.82.1-1

In the Linux kernel, the following vulnerability has been resolved: vrf: use RCU protection in l3mdevl3out l3mdevl3out can be called without RCU being held: rawsendmsg ippushpendingframes ipsendskb iplocalout iplocalout l3mdevipout Add rcureadlock / rcureadunlock pair to avoid a potential UAF...

CVE-2025-21764

In the Linux kernel, the following vulnerability has been resolved: ndisc: use RCU protection in ndiscallocskb ndiscallocskb can be called without RTNL or RCU being held. Add RCU protection to avoid possible UAF...

CVE-2025-21759

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: extend RCU protection in igmp6send igmp6send can be called without RTNL or RCU being held. Extend RCU protection so that we can safely fetch the net pointer and avoid a potential UAF. Note that we no longer can use...

CVE-2025-21760

In the Linux kernel, the following vulnerability has been resolved: ndisc: extend RCU protection in ndiscsendskb ndiscsendskb can be called without RTNL or RCU held. Acquire rcureadlock earlier, so that we can use devnetrcu and avoid a potential UAF...

CVE-2025-21761

In the Linux kernel, the following vulnerability has been resolved: openvswitch: use RCU protection in ovsvportcmdfillinfo ovsvportcmdfillinfo can be called without RTNL or RCU. Use RCU protection and devnetrcu to avoid potential UAF...

CVE-2024-49570

In the Linux kernel, the following vulnerability has been resolved: drm/xe/tracing: Fix a potential TPprintk UAF The commit afd2627f727b "tracing: Check "%s" dereference via the field and not the TPprintk format" exposes potential UAFs in the xebomove trace event. Fix those by avoiding...

CVE-2025-21791 vrf: use RCU protection in l3mdev_l3_out()

In the Linux kernel, the following vulnerability has been resolved: vrf: use RCU protection in l3mdevl3out l3mdevl3out can be called without RCU being held: rawsendmsg ippushpendingframes ipsendskb iplocalout iplocalout l3mdevipout Add rcureadlock / rcureadunlock pair to avoid a potential UAF...

CVE-2025-21791 vrf: use RCU protection in l3mdev_l3_out()

In the Linux kernel, the following vulnerability has been resolved: vrf: use RCU protection in l3mdevl3out l3mdevl3out can be called without RCU being held: rawsendmsg ippushpendingframes ipsendskb iplocalout iplocalout l3mdevipout Add rcureadlock / rcureadunlock pair to avoid a potential UAF...

CVE-2025-21791 vrf: use RCU protection in l3mdev_l3_out()

In the Linux kernel, the following vulnerability has been resolved: vrf: use RCU protection in l3mdevl3out l3mdevl3out can be called without RCU being held: rawsendmsg ippushpendingframes ipsendskb iplocalout iplocalout l3mdevipout Add rcureadlock / rcureadunlock pair to avoid a potential UAF...

CVE-2025-21764 ndisc: use RCU protection in ndisc_alloc_skb()

In the Linux kernel, the following vulnerability has been resolved: ndisc: use RCU protection in ndiscallocskb ndiscallocskb can be called without RTNL or RCU being held. Add RCU protection to avoid possible UAF...

CVE-2025-21763

Summary of CVE-2025-21763 : In the Linux kernel, __neigh_notify() can be invoked without RTNL or RCU protection, creating a potential use-after-free (UAF) scenario in neighbour handling. The mitigation is to apply RCU protection to neighbour notifications to prevent UAF. Connected advisories corr...

CVE-2025-21763 neighbour: use RCU protection in __neigh_notify()

In the Linux kernel, the following vulnerability has been resolved: neighbour: use RCU protection in neighnotify neighnotify can be called without RTNL or RCU protection. Use RCU protection to avoid potential UAF...

CVE-2025-21764

The CVE-2025-21764 issue affects the Linux kernel: ndisc_alloc_skb() could be invoked without RTNL or RCU held, enabling a potential use-after-free. The published fixes add RCU protection to ndisc_alloc_skb() to prevent UAF. Affected advisories (e.g., kernel security updates in Astra Linux, ALAS/...

CVE-2025-21762 arp: use RCU protection in arp_xmit()

In the Linux kernel, the following vulnerability has been resolved: arp: use RCU protection in arpxmit arpxmit can be called without RTNL or RCU protection. Use RCU protection to avoid potential UAF...

CVE-2025-21761 openvswitch: use RCU protection in ovs_vport_cmd_fill_info()

In the Linux kernel, the following vulnerability has been resolved: openvswitch: use RCU protection in ovsvportcmdfillinfo ovsvportcmdfillinfo can be called without RTNL or RCU. Use RCU protection and devnetrcu to avoid potential UAF...