CVE-2026-44316

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's PCF POST /npcf-smpolicycontrol/v1/sm-policies handler HandleCreateSmPolicyRequest panics with a nil-pointer dereference when a downstream OpenAPI consumer call UDR lookup returns 404 Not Found and the...

CVE-2026-44316 free5GC: PCF npcf-smpolicycontrol POST /sm-policies panics on downstream UDR/OpenAPI 404 via nil pointer dereference

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's PCF POST /npcf-smpolicycontrol/v1/sm-policies handler HandleCreateSmPolicyRequest panics with a nil-pointer dereference when a downstream OpenAPI consumer call UDR lookup returns 404 Not Found and the...

CVE-2026-44316

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's PCF POST /npcf-smpolicycontrol/v1/sm-policies handler HandleCreateSmPolicyRequest panics with a nil-pointer dereference when a downstream OpenAPI consumer call UDR lookup returns 404 Not Found and the...

CVE-2026-44316 free5GC: PCF npcf-smpolicycontrol POST /sm-policies panics on downstream UDR/OpenAPI 404 via nil pointer dereference

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's PCF POST /npcf-smpolicycontrol/v1/sm-policies handler HandleCreateSmPolicyRequest panics with a nil-pointer dereference when a downstream OpenAPI consumer call UDR lookup returns 404 Not Found and the...

EUVD-2026-32240

In the Linux kernel, the following vulnerability has been resolved: drm/exynos: vidi: use priv-vididev for ctx lookup in vidiconnectionioctl vidiconnectionioctl retrieves the driverdata from drmdev-dev to obtain a struct vidicontext pointer. However, drmdev-dev is the exynos-drm master device, an...

EUVD-2026-32213

In the Linux kernel, the following vulnerability has been resolved: ovpn: fix possible use-after-free in ovpnnetxmit When building the skblist in ovpnnetxmit, skbsharecheck will free the original skb if it is shared. The current implementation continues to use the stale skb pointer for subsequent...

EUVD-2026-32371

In the Linux kernel, the following vulnerability has been resolved: xfrm: fix iprtbug race in icmproutelookup reverse path icmproutelookup performs multiple route lookups to find a suitable route for sending ICMP error messages, with special handling for XFRM IPsec policies. The lookup sequence i...

CVE-2026-46026

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: ns: Limit the maximum number of lookups Current code does no bound checking on the number of lookups a client can perform. Though the code restricts the lookups to local clients, there is still a possibility of a...

CVE-2026-45983

In the Linux kernel, the following vulnerability has been resolved: nfsd: never defer requests during idmap lookup During v4 request compound arg decoding, some ops e.g. SETATTR can trigger idmap lookup upcalls. When those upcall responses get delayed beyond the allowed time limit, cachecheck wil...

CVE-2026-45956

In the Linux kernel, the following vulnerability has been resolved: drm/exynos: vidi: use priv-vididev for ctx lookup in vidiconnectionioctl vidiconnectionioctl retrieves the driverdata from drmdev-dev to obtain a struct vidicontext pointer. However, drmdev-dev is the exynos-drm master device, an...

UBUNTU-CVE-2026-46061

In the Linux kernel, the following vulnerability has been resolved: jbd2: fix deadlock in jbd2journalcancelrevoke Commit f76d4c28a46a "fs/jbd2: use sleeping version of findgetblock" changed jbd2journalcancelrevoke to use findgetblocknonatomic which holds the folio lock instead of iprivatelock. Th...

UBUNTU-CVE-2026-46026

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: ns: Limit the maximum number of lookups Current code does no bound checking on the number of lookups a client can perform. Though the code restricts the lookups to local clients, there is still a possibility of a...

UBUNTU-CVE-2026-45925

In the Linux kernel, the following vulnerability has been resolved: thermal/of: Fix reference leak in thermalofcmlookup In thermalofcmlookup, trnp is obtained via ofparsephandle, but never released. Use the freedevicenode cleanup attribute to automatically release the node and fix the leak. rjw:...

EUVD-2026-32443

In the Linux kernel, the following vulnerability has been resolved: jbd2: fix deadlock in jbd2journalcancelrevoke Commit f76d4c28a46a "fs/jbd2: use sleeping version of findgetblock" changed jbd2journalcancelrevoke to use findgetblocknonatomic which holds the folio lock instead of iprivatelock. Th...

CVE-2026-46061 jbd2: fix deadlock in jbd2_journal_cancel_revoke()

In the Linux kernel, the following vulnerability has been resolved: jbd2: fix deadlock in jbd2journalcancelrevoke Commit f76d4c28a46a "fs/jbd2: use sleeping version of findgetblock" changed jbd2journalcancelrevoke to use findgetblocknonatomic which holds the folio lock instead of iprivatelock. Th...

CVE-2026-46061 jbd2: fix deadlock in jbd2_journal_cancel_revoke()

In the Linux kernel, the following vulnerability has been resolved: jbd2: fix deadlock in jbd2journalcancelrevoke Commit f76d4c28a46a "fs/jbd2: use sleeping version of findgetblock" changed jbd2journalcancelrevoke to use findgetblocknonatomic which holds the folio lock instead of iprivatelock. Th...

CVE-2026-46061

Summary: CVE-2026-46061 is a Linux kernel issue in jbd2/journal handling that can cause an ABBA deadlock when filesystem blocksize is smaller than pagesize. The root cause is a lock-order conflict introduced by switching to __find_get_block_nonatomic() which can hold folio and buffer locks in the...

CVE-2026-46052

The CVE-2026-46052 issue concerns the Linux kernel Ceph filesystem where a negative dentry that is already hashed can be re-added to the dcache, corrupting the d_hash bucket and leading to an RCU stall or system hang. The root cause is that d_add() can rehash and reinstate a dentry that is alread...

CVE-2026-46052

In the Linux kernel, the following vulnerability has been resolved: ceph: only dadd negative dentries when they are unhashed Ceph can call dadddentry, NULL on a negative dentry that is already present in the primary dcache hash. In the current VFS that is not safe. dadd goes through dadd to...

CVE-2026-46037 ipv4: icmp: validate reply type before using icmp_pointers

In the Linux kernel, the following vulnerability has been resolved: ipv4: icmp: validate reply type before using icmppointers Extended echo replies use ICMPEXTECHOREPLY as the outbound reply type. That value is outside the range covered by icmppointers, which only describes the traditional ICMP...