CVE-2026-42459 free5GC: Improper Input Validation and Generation of Error Message Containing Sensitive Information in github.com/free5gc/udm

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, the free5GC UDM component fails to validate the supi path parameter in six GET handlers of the nudm-sdm Subscriber Data Management service. An unauthenticated attacker can inject control characters into the SUPI...

CVE-2026-42459

CVE-2026-42459 documents an improper input validation flaw in free5GC UDM: the SDM (nudm-sdm) service does not validate the SUPI parameter in six GET handlers, allowing an unauthenticated attacker to inject control characters into SUPI. This can cause UDM to forward a malformed URL to UDR and ret...

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-2026-44322

The CVE-2026-44322 family describes a nil-pointer dereference panic in free5GC NEF PATCH /3gpp-pfd-management/v1/{afId}/transactions/{transId}/applications/{appId} that occurs when upstream UDR calls fail and the consumer wrapper returns err != nil with a nil *ProblemDetails. In the errPfdData br...

CVE-2026-44322 free5GC: NEF 3gpp-pfd-management PATCH applications/{appId} panics on UDR access failure due to nil ProblemDetails dereference

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF PATCH /3gpp-pfd-management/v1/afId/transactions/transId/applications/appId handler panics with a nil-pointer dereference when the upstream UDR call fails AND the consumer wrapper returns err != nil...

CVE-2026-44324 free5GC: UDR nudr-dr DELETE amf-subscriptions panics on missing UE state via nil interface type assertion (single authenticated request)

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's UDR nudr-dr DELETE /subscription-data/ueId/servingPlmnId/ee-subscriptions/subsId/amf-subscriptions handler panics on a single authenticated request against a fresh UDR instance when the supplied ueId does n...

EUVD-2026-32288

In the Linux kernel, the following vulnerability has been resolved: ALSA: caiaq: Fix potentially leftover ep1inurb at error path The previous fix for handling the error from setupcard missed that an internal URB cdev-ep1inurb might have been already submitted beforehand. In the normal case, this...

EUVD-2026-32268

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...

EUVD-2026-32248

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: fix gssauth kref leak in gssallocmsg error path Commit 5940d1cf9f42 "SUNRPC: Rebalance a kref in authgss.c" added a krefget&gssauth-kref call to balance the gssputauth done in gssreleasemsg, but forgot to add a...

EUVD-2026-32257

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix UMR hang in LAG error state unload During firmware reset in LAG mode, a race condition causes the driver to hang indefinitely while waiting for UMR completion during device unload. See 1. In LAG mode the bond devic...

EUVD-2026-32245

In the Linux kernel, the following vulnerability has been resolved: gfs2: fix memory leaks in gfs2fillsuper error path Fix two memory leaks in the gfs2fillsuper error handling path when transitioning a filesystem to read-write mode fails. First leak: kthread objects threadstruct, taskstruct, etc...

EUVD-2026-32256

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF and double free in smb2openfile Zero out @erriov and @errbuftype before retrying SMB2open to prevent an UAF bug if @data != NULL, otherwise a double free...

EUVD-2026-32233

In the Linux kernel, the following vulnerability has been resolved: hwrng: core - use RCU and workstruct to fix race condition Currently, hwrngfill is not cleared until the hwrngfillfn thread exits. Since hwrngunregister reads hwrngfill outside the rngmutex lock, a concurrent hwrngunregister may...

EUVD-2026-32223

In the Linux kernel, the following vulnerability has been resolved: gpib: Fix memory leak in niusbinit In niusbinit, if niusbsetupinit fails, the function returns -EFAULT without freeing the allocated writes buffer, leading to a memory leak. Additionally, niusbsetupinit returns 0 on failure, whic...

EUVD-2026-32218

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix EEXIST abort due to non-consecutive gaps in chunk allocation I have been observing a number of systems aborting at insertdevextents in btrfscreatependingblockgroups. The following is a sample stack trace of such an abo...

EUVD-2026-32225

In the Linux kernel, the following vulnerability has been resolved: tpm: tpmi2cinfineon: Fix locality leak on getburstcount failure getburstcount can return -EBUSY on timeout. When this happens, the function returns directly without releasing the locality that was acquired at the beginning of...

EUVD-2026-32388

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix memory leak in GETDATADIRECTSYSFSPATH handler The UVERBSHANDLERMLX5IBMETHODGETDATADIRECTSYSFSPATH function allocates memory for the device path using kobjectgetpath. If the length of the device path exceeds the...

EUVD-2026-32393

In the Linux kernel, the following vulnerability has been resolved: bpf: Require frozen map for calculating map hash Currently, bpfmapgetinfobyfd calculates and caches the hash of the map regardless of the map's frozen state. This leads to a TOCTOU bug where userspace can call BPFOBJGETINFOBYFD t...

EUVD-2026-32392

In the Linux kernel, the following vulnerability has been resolved: rust: pwm: Fix potential memory leak on init error When initializing a PWM chip using pwmchipalloc, the allocated device owns an initial reference that must be released on all error paths. If pinnedinit were to fail, the allocate...