CVE-2026-93182 sched/fair: Fix overflow in update_tg_cfs_runnable()

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix overflow in updatetgcfsrunnable A divide-by-zero crash is observed when running hackbench: 14697.488452 CPU: 112 UID: 0 PID: 124791 Comm: hackbench Not tainted 7.1.0-rc2+ 14697.492627 RIP:...

CVE-2026-93182

CVE-2026-93182 is a u32 overflow in the Linux kernel's CFS scheduler (sched/fair), specifically in update_tg_cfs_runnable(). The overflow occurs when se->avg.runnable_avg * divider exceeds the 32-bit range, corrupting the runnable sum and cascading through load-average propagation to produce a...

EUVD-2026-82290

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix overflow in updatetgcfsrunnable A divide-by-zero crash is observed when running hackbench: 14697.488452 CPU: 112 UID: 0 PID: 124791 Comm: hackbench Not tainted 7.1.0-rc2+ 14697.492627 RIP:...

CVE-2026-93182 sched/fair: Fix overflow in update_tg_cfs_runnable()

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix overflow in updatetgcfsrunnable A divide-by-zero crash is observed when running hackbench: 14697.488452 CPU: 112 UID: 0 PID: 124791 Comm: hackbench Not tainted 7.1.0-rc2+ 14697.492627 RIP:...

CVE-2026-93062 wifi: iwlwifi: guard against division by zero in iwl_dbg_tlv_alloc_fragments

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: guard against division by zero in iwldbgtlvallocfragments Make sure we don't end-up with a numfrags = 0 situation. For that, check that the required size is not 0 and put a checker on numfrags as well...

CVE-2026-93062 wifi: iwlwifi: guard against division by zero in iwl_dbg_tlv_alloc_fragments

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: guard against division by zero in iwldbgtlvallocfragments Make sure we don't end-up with a numfrags = 0 situation. For that, check that the required size is not 0 and put a checker on numfrags as well...

CVE-2026-93062

CVE-2026-93062 affects the Linux kernel in the iwlwifi wireless driver. The vulnerability is a division by zero in the function iwl_dbg_tlv_alloc_fragments, which can occur when num_frags evaluates to zero. The fix introduces a check that the required size is non-zero and adds a guard on num_frag...

EUVD-2026-82172

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: guard against division by zero in iwldbgtlvallocfragments Make sure we don't end-up with a numfrags = 0 situation. For that, check that the required size is not 0 and put a checker on numfrags as well...

EUVD-2026-82031

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: bound TLV walk in mt7996mcugetchipconfig The response TLV loop advanced by tlv-len without a minimum, so a theoretical firmware response containing a zero-length TLV could spin forever, hanging the CPU during...

CVE-2026-90370 wifi: mt76: mt7996: bound TLV walk in mt7996_mcu_get_chip_config

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: bound TLV walk in mt7996mcugetchipconfig The response TLV loop advanced by tlv-len without a minimum, so a theoretical firmware response containing a zero-length TLV could spin forever, hanging the CPU during...

EUVD-2026-81853

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: don't clobber the extent buffer when zeroing it out On a zoned filesystem a freed-but-still-dirty tree block is written out as zeros EXTENTBUFFERZONEDZEROOUT only to keep the zone write pointer advancing...

CVE-2026-90100 ptp: netc: fix period truncation and potential divide-by-zero in PEROUT

In the Linux kernel, the following vulnerability has been resolved: ptp: netc: fix period truncation and potential divide-by-zero in PEROUT The maxperiod bound in nettimerenableperout was computed as: maxperiod = u64NETCTMRDEFAULTFIPER + integralperiod; which exceeds U32MAX when integralperiod 0...

EUVD-2026-81961

In the Linux kernel, the following vulnerability has been resolved: ptp: netc: fix period truncation and potential divide-by-zero in PEROUT The maxperiod bound in nettimerenableperout was computed as: maxperiod = u64NETCTMRDEFAULTFIPER + integralperiod; which exceeds U32MAX when integralperiod 0...

CVE-2026-90100

CVE-2026-90100 affects the Linux kernel PTP (Precision Time Protocol) netc driver. The root cause is a period truncation in net_timer_enable_perout(): a u64 max_period bound exceeds U32_MAX when integral_period > 0, allowing a period_ns value to pass the range check but be silently truncated t...

CVE-2026-90100 ptp: netc: fix period truncation and potential divide-by-zero in PEROUT

In the Linux kernel, the following vulnerability has been resolved: ptp: netc: fix period truncation and potential divide-by-zero in PEROUT The maxperiod bound in nettimerenableperout was computed as: maxperiod = u64NETCTMRDEFAULTFIPER + integralperiod; which exceeds U32MAX when integralperiod 0...

CVE-2026-90088

CVE-2026-90088 affects the Linux kernel Bluetooth RFCOMM subsystem. The function rfcomm_apply_pn() accepts an MTU value from a remote Parameter Negotiation (PN) frame without validating it against zero. When a remote peer sends an MTU of zero, the sendmsg path enters an infinite loop during data ...

CVE-2026-90088 Bluetooth: RFCOMM: Validate MTU in rfcomm_apply_pn() to prevent infinite loop

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: Validate MTU in rfcommapplypn to prevent infinite loop rfcommapplypn accepts the MTU value from a remote PN Parameter Negotiation frame without checking for zero. When the remote peer sends an MTU of zero, d-mt...

EUVD-2026-81947

In the Linux kernel, the following vulnerability has been resolved: xsk: honor XDPTXMETADATA in zero-copy path The zero-copy path reads TX metadata whenever the UMEM has metadata space, even if the descriptor does not set XDPTXMETADATA. Pass descriptor options through the metadata helpers and...

CVE-2026-90086 xsk: honor XDP_TX_METADATA in zero-copy path

In the Linux kernel, the following vulnerability has been resolved: xsk: honor XDPTXMETADATA in zero-copy path The zero-copy path reads TX metadata whenever the UMEM has metadata space, even if the descriptor does not set XDPTXMETADATA. Pass descriptor options through the metadata helpers and...

CVE-2026-90086

CVE-2026-90086 affects the Linux kernel AF_XDP (xsk) zero-copy TX path . The root cause is that the zero-copy path reads TX metadata whenever the UMEM has metadata space, even when the descriptor does not set the XDP_TX_METADATA flag. The fix passes descriptor options through the metadata helpers...