CVE-2026-68197 wifi: mwifiex: fix NULL dereference when the AP has HT-cap but no HT-oper

In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: fix NULL dereference when the AP has HT-cap but no HT-oper mwifiextdlsaddhtoper gates its follow-the-AP-bandwidth path on bssdesc-bcnhtcap being present, but then dereferences a different pointer, bssdesc-bcnhtoper...

CVE-2026-68197 wifi: mwifiex: fix NULL dereference when the AP has HT-cap but no HT-oper

In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: fix NULL dereference when the AP has HT-cap but no HT-oper mwifiextdlsaddhtoper gates its follow-the-AP-bandwidth path on bssdesc-bcnhtcap being present, but then dereferences a different pointer, bssdesc-bcnhtoper...

CVE-2026-68195

The CVE describes a Linux kernel issue in the mt76/mt7615 wireless driver where PKT_TYPE_TXRX_NOTIFY is mmio-only but was dispatched on non-mmio buses, causing a NULL dereference when mt7615_mac_tx_free() calls tx_cleanup() with a NULL queue_ops->tx_cleanup(). The fix drops TXRX_NOTIFY on non-...

CVE-2026-68195 wifi: mt76: mt7615: drop TXRX_NOTIFY on non-mmio buses

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7615: drop TXRXNOTIFY on non-mmio buses PKTTYPETXRXNOTIFY is an mmio-only event, but mt7615rxcheck and mt7615queuerxskb dispatch it to mt7615mactxfree on every bus. mt7615mactxfree cleans the DMA tx queues with...

EUVD-2026-55295

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921: drop TXRXNOTIFY on non-mmio buses PKTTYPETXRXNOTIFY is an mmio-only event, but mt7921rxcheck and mt7921queuerxskb dispatch it to mt7921mactxfree on every bus. mt7921mactxfree cleans the DMA tx queues with...

CVE-2026-68194

The CVE-2026-68194 issue affects Linux kernel wifi driver stack mt76/mt7921: TXRX_NOTIFY is an mmio-only event but was dispatched on non-mmio buses (USB/SDIO) via mt7921_rx_check()/mt7921_queue_rx_skb(), causing a NULL pointer dereference in mt7921_mac_tx_free() when mt76_queue_tx_cleanup() calls...

CVE-2026-68194 wifi: mt76: mt7921: drop TXRX_NOTIFY on non-mmio buses

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921: drop TXRXNOTIFY on non-mmio buses PKTTYPETXRXNOTIFY is an mmio-only event, but mt7921rxcheck and mt7921queuerxskb dispatch it to mt7921mactxfree on every bus. mt7921mactxfree cleans the DMA tx queues with...

CVE-2026-68194 wifi: mt76: mt7921: drop TXRX_NOTIFY on non-mmio buses

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921: drop TXRXNOTIFY on non-mmio buses PKTTYPETXRXNOTIFY is an mmio-only event, but mt7921rxcheck and mt7921queuerxskb dispatch it to mt7921mactxfree on every bus. mt7921mactxfree cleans the DMA tx queues with...

CVE-2026-68193 wifi: mt76: mt7925: drop TXRX_NOTIFY on non-mmio buses

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: drop TXRXNOTIFY on non-mmio buses PKTTYPETXRXNOTIFY is an mmio-only event, but mt7925rxcheck and mt7925queuerxskb dispatch it to mt7925mactxfree on every bus. mt7925mactxfree cleans the DMA tx queues with...

EUVD-2026-55292

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix NULL pointer dereference in rhash table destroy When unbinding the ath12k driver, kernel NULL pointer dereferences occur in irqworksync called from rhashtabledestroy. Two hash tables are affected: 1. ath12klinks...

CVE-2026-68191 wifi: ath12k: fix NULL pointer dereference in rhash table destroy

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix NULL pointer dereference in rhash table destroy When unbinding the ath12k driver, kernel NULL pointer dereferences occur in irqworksync called from rhashtabledestroy. Two hash tables are affected: 1. ath12klinks...

CVE-2026-68191 wifi: ath12k: fix NULL pointer dereference in rhash table destroy

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix NULL pointer dereference in rhash table destroy When unbinding the ath12k driver, kernel NULL pointer dereferences occur in irqworksync called from rhashtabledestroy. Two hash tables are affected: 1. ath12klinks...

CVE-2026-68191

The CVE reports a NULL pointer dereference in the Linux kernel’s ath12k wifi driver during unbind, when irq_work_sync() from rhashtable_destroy() runs if hash tables were never fully initialized. Two affected hash tables are ath12k_link_sta (ath12k_base) and ath12k_dp_link_peer (ath12k_dp). The r...

EUVD-2026-55287

In the Linux kernel, the following vulnerability has been resolved: binfmtmisc: set haveexecfd only once the interpreter is opened loadmiscbinary raises bprm-haveexecfd as soon as it sees the 'O' or 'C' flag. This happens well before it opens the interpreter. If that open fails the flag stays set...

CVE-2026-68186 binfmt_misc: set have_execfd only once the interpreter is opened

In the Linux kernel, the following vulnerability has been resolved: binfmtmisc: set haveexecfd only once the interpreter is opened loadmiscbinary raises bprm-haveexecfd as soon as it sees the 'O' or 'C' flag. This happens well before it opens the interpreter. If that open fails the flag stays set...

CVE-2026-68186

The CVE-2026-68186 issue affects the Linux kernel’s binfmt_misc handling. load_misc_binary() sets bprm->have_execfd when it encounters the O/C flag, before the interpreter is opened, which could cause a NULL dereference in begin_new_exec() if an interpreter open fails and a later format is cho...

CVE-2026-68177

In the Linux kernel, the following vulnerability has been resolved: tracing: Delay module ref count for "enableevent" trigger Triggers are now delayed from freeing, but can still be triggered until after the RCU grace period has ended. The freeing of the enableevent data is put into the...

CVE-2026-68176 tracing: Fix mmiotrace possible NULL dereferencing of hiter->dev

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix mmiotrace possible NULL dereferencing of hiter-dev If the mmiopipeopen fails to find a PCI device, the hiter-dev will be assigned to NULL. The mmiotrace read function dereferences the hiter-dev if hiter exists. Chang...

EUVD-2026-55277

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix mmiotrace possible NULL dereferencing of hiter-dev If the mmiopipeopen fails to find a PCI device, the hiter-dev will be assigned to NULL. The mmiotrace read function dereferences the hiter-dev if hiter exists. Chang...

CVE-2026-68176 tracing: Fix mmiotrace possible NULL dereferencing of hiter->dev

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix mmiotrace possible NULL dereferencing of hiter-dev If the mmiopipeopen fails to find a PCI device, the hiter-dev will be assigned to NULL. The mmiotrace read function dereferences the hiter-dev if hiter exists. Chang...