CVE-2026-97601

In the Linux kernel, the following vulnerability has been resolved: ieee802154: 6lowpan: fix NULL dereference in lowpannewlink TUNSETLINK allows a TUN device to change its link-layer type to ARPHRDIEEE802154 without initializing ieee802154ptr. lowpannewlink checks only the device type before...

CVE-2026-97601 ieee802154: 6lowpan: fix NULL dereference in lowpan_newlink

In the Linux kernel, the following vulnerability has been resolved: ieee802154: 6lowpan: fix NULL dereference in lowpannewlink TUNSETLINK allows a TUN device to change its link-layer type to ARPHRDIEEE802154 without initializing ieee802154ptr. lowpannewlink checks only the device type before...

EUVD-2026-86732

In the Linux kernel, the following vulnerability has been resolved: ieee802154: 6lowpan: fix NULL dereference in lowpannewlink TUNSETLINK allows a TUN device to change its link-layer type to ARPHRDIEEE802154 without initializing ieee802154ptr. lowpannewlink checks only the device type before...

CVE-2026-97601

The Linux kernel contains a vulnerability in the ieee802154: 6lowpan component where a NULL pointer dereference can occur in the lowpan_newlink() function. This issue is triggered when an RTM_NEWLINK request allows a TUN device to change its link-layer type to ARPHRD_IEEE802154 via TUNSETLINK wit...

CVE-2026-97600 ieee802154: cc2520: fix FIFOP work use-after-free

In the Linux kernel, the following vulnerability has been resolved: ieee802154: cc2520: fix FIFOP work use-after-free The FIFOP interrupt handler queues cc2520fifopirqwork. On removal, cc2520remove only flushes the work. The devm-managed FIFOP IRQ remains active until after -remove returns and ca...

CVE-2026-97599 ieee802154: hwsim: serialize pib updates to fix double-free

In the Linux kernel, the following vulnerability has been resolved: ieee802154: hwsim: serialize pib updates to fix double-free hwsimupdatepib does an unserialized read-swap-free of phy-pib: pibold = rtnldereferencephy-pib; ... rcuassignpointerphy-pib, pib; kfreercupibold, rcu; It assumes the RTN...

CVE-2026-97597 ipv6: flowlabel: cap duplicate leases per socket

In the Linux kernel, the following vulnerability has been resolved: ipv6: flowlabel: cap duplicate leases per socket ipv6flowlabelget allocates an ipv6flsocklist entry for every successful GET. The recheck path for a compatible existing flowlabel links another lease without applying any lease...

CVE-2026-97598 ipv4: fib: bound automatic table ID allocation

In the Linux kernel, the following vulnerability has been resolved: ipv4: fib: bound automatic table ID allocation fibemptytable probes every table ID from 1 until it finds a free one. IPv4 tables are stored in a 256-bucket hash table, so a dense set of IDs makes each probe walk a growing hash...

CVE-2026-97595 mac802154: fix use-after-free of sdata via queued RX frames

In the Linux kernel, the following vulnerability has been resolved: mac802154: fix use-after-free of sdata via queued RX frames The RX softirq producer ieee802154subifframe queues received beacon and MAC-command frames onto local-rxbeaconlist / rxmaccmdlist and schedules a process-context worker,...

CVE-2026-97596 ipvs: reject invalid states in connection template sync records

In the Linux kernel, the following vulnerability has been resolved: ipvs: reject invalid states in connection template sync records IPVS sync receivers validate protocol states before creating or updating a connection. For connection templates, however, they only log states outside the template...

CVE-2026-97594 landlock: Fix use-after-free of the source's parent directory

In the Linux kernel, the following vulnerability has been resolved: landlock: Fix use-after-free of the source's parent directory currentcheckreferpath reads olddentry-dparent without holding a reference nor a lock on it, and then dereferences it in collectdomainaccesses and in the audit record. ...

CVE-2026-97592 s390/crypto: Fix missing scrub of temp buffers with AES ctr and gcm algorithm

In the Linux kernel, the following vulnerability has been resolved: s390/crypto: Fix missing scrub of temp buffers with AES ctr and gcm algorithm In function ctraescrypt there is a buffer used to process remaining bytes AESBLOCKSIZE. This buffer was not scrubbed and thus could lead to expose of...

CVE-2026-97593 iommu/s390: Fix NULL dereference in iova_to_phys() with ZPCI_TABLE_TYPE_RFX

In the Linux kernel, the following vulnerability has been resolved: iommu/s390: Fix NULL dereference in iovatophys with ZPCITABLETYPERFX When using a 5-level translation table via ZPCITABLETYPERFX getrsofromiova returns NULL when the region-first entry is invalid. Yet in getrtofromiova the...

CVE-2026-97591 s390/crypto: Fix handling of EBUSY in PHMAC when req is pushed to crypto engine

In the Linux kernel, the following vulnerability has been resolved: s390/crypto: Fix handling of EBUSY in PHMAC when req is pushed to crypto engine When a request is transferred to the engine via cryptotransferhashrequesttoengine there are two return codes signaling a successful transfer:...

CVE-2026-97591 s390/crypto: Fix handling of EBUSY in PHMAC when req is pushed to crypto engine

In the Linux kernel, the following vulnerability has been resolved: s390/crypto: Fix handling of EBUSY in PHMAC when req is pushed to crypto engine When a request is transferred to the engine via cryptotransferhashrequesttoengine there are two return codes signaling a successful transfer:...

CVE-2026-97590 s390/crypto: Fix missing scrub of temp buffers with PAES algorithm

In the Linux kernel, the following vulnerability has been resolved: s390/crypto: Fix missing scrub of temp buffers with PAES algorithm In function ctrpaesdocrypt there is a buffer used to process remaining bytes AESBLOCKSIZE. This buffer was not scrubbed and thus could lead to expose of unwanted...

EUVD-2026-86899

In the Linux kernel, the following vulnerability has been resolved: s390/crypto: Fix handling of EBUSY in PHMAC when req is pushed to crypto engine When a request is transferred to the engine via cryptotransferhashrequesttoengine there are two return codes signaling a successful transfer:...

CVE-2026-97591

In the Linux kernel, the following vulnerability has been resolved: s390/crypto: Fix handling of EBUSY in PHMAC when req is pushed to crypto engine When a request is transferred to the engine via cryptotransferhashrequesttoengine there are two return codes signaling a successful transfer:...

CVE-2026-97591

The Linux kernel (specifically the s390/crypto architecture) contained a logic flaw in how it handled return codes when pushing requests to the crypto engine. In the PHMAC function, the crypto_transfer_hash_request_to_engine() call could return EBUSY in addition to EINPROGRESS to signal a success...

CVE-2026-97589

The Linux kernel contains a vulnerability in the s390/crypto subsystem where asynch callbacks return an incorrect error code. Specifically, when crypto_finalize_hash_request() or crypto_finalize_skcipher_request() explicitly completes a request, the do_one_request callback must return 0. Returnin...