5,260 results · Feed
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High 7.8
net: qrtr: fix refcount saturation and potential UAF in qrtr_port_remove
In the Linux kernel, the following vulnerability has been resolved: net: qrtr: fix refcount saturation and potential UAF in qrtr_port_remove In qrtr_port_remove(), the socket reference count is decremented via __sock_put() before the port is removed from the …
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Unscored —
i2c: dev: prevent integer overflow in I2C_TIMEOUT ioctl
In the Linux kernel, the following vulnerability has been resolved: i2c: dev: prevent integer overflow in I2C_TIMEOUT ioctl While fuzzing with Syzkaller, a persistent `schedule_timeout: wrong timeout value` warning was observed, accompanied by SMBus controlle…
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High 7.1
netfilter: nf_log: validate MAC header was set before dumping it
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_log: validate MAC header was set before dumping it The fallback path of dump_mac_header() guards the MAC header access only with "skb->mac_header != skb->network_header", withou…
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Unscored —
tun: zero the whole vnet header in tun_put_user()
In the Linux kernel, the following vulnerability has been resolved: tun: zero the whole vnet header in tun_put_user() tun_put_user() declares an on-stack struct virtio_net_hdr_v1_hash_tunnel without zeroing it. For a non-tunnel skb, virtio_net_hdr_tnl_from_sk…
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Unscored —
net/rds: fix NULL deref in rds_ib_send_cqe_handler() on masked atomic completion
In the Linux kernel, the following vulnerability has been resolved: net/rds: fix NULL deref in rds_ib_send_cqe_handler() on masked atomic completion rds_ib_xmit_atomic() always programs a masked atomic opcode (IB_WR_MASKED_ATOMIC_CMP_AND_SWP or IB_WR_MASKED_A…
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Unscored —
bpf: Fix NULL pointer dereference in bpf_sk_storage_clone and diag paths
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix NULL pointer dereference in bpf_sk_storage_clone and diag paths bpf_selem_unlink_nofail() sets SDATA(selem)->smap to NULL before removing the selem from the storage hlist. A concurre…
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High 7.8
xfrm: espintcp: do not reuse an in-progress partial send
In the Linux kernel, the following vulnerability has been resolved: xfrm: espintcp: do not reuse an in-progress partial send espintcp keeps a single in-flight transmit in ctx->partial. Before building a new sk_msg, espintcp_sendmsg() first tries to flush that…
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Unscored —
ipc/shm: serialize orphan cleanup with shm_nattch updates
In the Linux kernel, the following vulnerability has been resolved: ipc/shm: serialize orphan cleanup with shm_nattch updates shm_destroy_orphaned() walks the shm idr under shm_ids(ns).rwsem, but that does not serialize all fields tested by shm_may_destroy().…
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High 7.5
sctp: stream: fully roll back denied add-stream state
In the Linux kernel, the following vulnerability has been resolved: sctp: stream: fully roll back denied add-stream state When ADD_OUT_STREAMS is denied, SCTP only shrinks the queued chunks and then lowers outcnt. That leaves removed stream metadata behind, s…
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Critical 9.8CVE-2026-52924 Public exploit
sctp: purge outqueue on stale COOKIE-ECHO handling
In the Linux kernel, the following vulnerability has been resolved: sctp: purge outqueue on stale COOKIE-ECHO handling sctp_stream_update() is only invoked when the association is moved into COOKIE_WAIT during association setup/reconfiguration. In this path, …
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High 7.1
sctp: diag: reject stale associations in dump_one path
In the Linux kernel, the following vulnerability has been resolved: sctp: diag: reject stale associations in dump_one path The SCTP exact sock_diag lookup can hold a transport reference, block on lock_sock(sk), and then resume after sctp_association_free() ha…
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High 7.8
ip6_vti: set netns_immutable on the fallback device.
In the Linux kernel, the following vulnerability has been resolved: ip6_vti: set netns_immutable on the fallback device. john1988 and Noam Rathaus reported that vti6_init_net() does not set the netns_immutable flag on the per-netns fallback tunnel device (ip6…
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High 7.8CVE-2026-52910 Public exploit
bpf: Free reuseport cBPF prog after RCU grace period.
In the Linux kernel, the following vulnerability has been resolved: bpf: Free reuseport cBPF prog after RCU grace period. Eulgyu Kim reported the splat below with a repro. [0] The repro sets up a UDP reuseport group with a cBPF prog and replaces it with a new…
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High 7.8
RDMA: During rereg_mr ensure that REREG_ACCESS is compatible
In the Linux kernel, the following vulnerability has been resolved: RDMA: During rereg_mr ensure that REREG_ACCESS is compatible If IB_MR_REREG_ACCESS changes from RO to RW then the umem has to be re-evaluated to ensure it is properly pinned as RW. Since the …
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High 7.8CVE-2026-46331 Public exploit
net/sched: fix pedit partial COW leading to page cache corruption
In the Linux kernel, the following vulnerability has been resolved: net/sched: fix pedit partial COW leading to page cache corruption tcf_pedit_act() computes the COW range for skb_ensure_writable() once before the key loop using tcfp_off_max_hint, but the hi…
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Critical 9.1CVE-2025-10263 Public exploit
Arm C1-Ultra, C1-Premium, Neoverse V3 & V3AE, Neoverse V2, Neoverse V1, Neoverse-N2, Neoverse-N1, Cortex-X925, Cortex-X…
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High 7.1
apparmor: Fix string overrun due to missing termination
In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix string overrun due to missing termination When booting Ubuntu 26.04 with Linux 7.0-rc4 on an ARM64 Qualcomm Snapdragon X1 we see a string buffer overrun: BUG: KASAN: slab-out-of…
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Medium 5.6
Insufficient checks of the RMP on host buffer access in IOMMU may allow an attacker with privileges and a compromised h…
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High 7.3
nftables disabled due to incorrect kernel backport
A Improper Access Control vulnerability in the kernel of SUSE SUSE Linux Enterprise Server 12 SP5 breaks nftables, causing firewall rules applied via nftables to not be effective.This issue affects SUSE Linux Enterprise Server: from 9e6d9d4601768c75fdb0bad3fb…
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Medium 6.5
Nfs-utils: rpc.mountd in the nfs-utils privilege escalation
A vulnerability was recently discovered in the rpc.mountd daemon in the nfs-utils package for Linux, that allows a NFSv3 client to escalate the privileges assigned to it in the /etc/exports file at mount time. In particular, it allows the client to access any…
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High 7.7
Kernel: secure boot does not automatically enable kernel lockdown
The Linux Kernel lockdown mode for kernel versions starting on 6.12 and above for Fedora Linux has the lockdown mode disabled without any warning. This may allow an attacker to gain access to sensitive information such kernel memory mappings, I/O ports, BPF a…
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Unscored —
leds: led-core: Fix refcount leak in of_led_get()
In the Linux kernel, the following vulnerability has been resolved: leds: led-core: Fix refcount leak in of_led_get() class_find_device_by_of_node() calls class_find_device(), it will take the reference, use the put_device() to drop the reference when not nee…
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High 7.8
f2fs: fix potential corruption when moving a directory
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix potential corruption when moving a directory F2FS has the same issue in ext4_rename causing crash revealed by xfstests/generic/707. See also commit 0813299c586b ("ext4: Fix possible…
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Unscored —
can: isotp: check CAN address family in isotp_bind()
In the Linux kernel, the following vulnerability has been resolved: can: isotp: check CAN address family in isotp_bind() Add missing check to block non-AF_CAN binds. Syzbot created some code which matched the right sockaddr struct size but used AF_XDP (0x2C) …
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High 7.8
ext4: guard against EA inode refcount underflow in xattr update
In the Linux kernel, the following vulnerability has been resolved: ext4: guard against EA inode refcount underflow in xattr update syzkaller found a path where ext4_xattr_inode_update_ref() reads an EA inode refcount that is already <= 0 and then applies ref…
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Unscored —
wifi: brcmfmac: Fix potential shift-out-of-bounds in brcmf_fw_alloc_request()
In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: Fix potential shift-out-of-bounds in brcmf_fw_alloc_request() This patch fixes a shift-out-of-bounds in brcmfmac that occurs in BIT(chiprev) when a 'chiprev' provided by the d…
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Unscored —
x86: fix clear_user_rep_good() exception handling annotation
In the Linux kernel, the following vulnerability has been resolved: x86: fix clear_user_rep_good() exception handling annotation This code no longer exists in mainline, because it was removed in commit d2c95f9d6802 ("x86: don't use REP_GOOD or ERMS for user m…
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Medium 5.5
mm: /proc/pid/smaps_rollup: fix no vma's null-deref
In the Linux kernel, the following vulnerability has been resolved: mm: /proc/pid/smaps_rollup: fix no vma's null-deref Commit 258f669e7e88 ("mm: /proc/pid/smaps_rollup: convert to single value seq_file") introduced a null-deref if there are no vma's in the t…
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High 7.8
android: binder: stop saving a pointer to the VMA
In the Linux kernel, the following vulnerability has been resolved: android: binder: stop saving a pointer to the VMA Do not record a pointer to a VMA outside of the mmap_lock for later use. This is unsafe and there are a number of failure paths *after* the r…
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Unscored —
arm64: set UXN on swapper page tables
In the Linux kernel, the following vulnerability has been resolved: arm64: set UXN on swapper page tables [ This issue was fixed upstream by accident in c3cee924bd85 ("arm64: head: cover entire kernel image in initial ID map") as part of a large refactoring o…
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Unscored —
arm64: set UXN on swapper page tables
In the Linux kernel, the following vulnerability has been resolved: arm64: set UXN on swapper page tables [ This issue was fixed upstream by accident in c3cee924bd85 ("arm64: head: cover entire kernel image in initial ID map") as part of a large refactoring o…
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Unscored —
btrfs: replace BTRFS_MAX_EXTENT_SIZE with fs_info->max_extent_size
In the Linux kernel, the following vulnerability has been resolved: btrfs: replace BTRFS_MAX_EXTENT_SIZE with fs_info->max_extent_size On zoned filesystem, data write out is limited by max_zone_append_size, and a large ordered extent is split according the si…
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Unscored —
tty: n_gsm: add sanity check for gsm->receive in gsm_receive_buf()
In the Linux kernel, the following vulnerability has been resolved: tty: n_gsm: add sanity check for gsm->receive in gsm_receive_buf() A null pointer dereference can happen when attempting to access the "gsm->receive()" function in gsmld_receive_buf(). Curren…
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Low 3.3
Incorrect execution-assigned permissions in the Linux kernel mode driver for the Intel(R) 800 Series Ethernet Driver be…
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Medium 4.7
iommu/arm-smmu: Defer probe of clients after smmu device bound
In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu: Defer probe of clients after smmu device bound Null pointer dereference occurs due to a race between smmu driver probe and client driver probe, when of_dma_configure() for cli…
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High 7.8
nfsd: release svc_expkey/svc_export with rcu_work
In the Linux kernel, the following vulnerability has been resolved: nfsd: release svc_expkey/svc_export with rcu_work The last reference for `cache_head` can be reduced to zero in `c_show` and `e_show`(using `rcu_read_lock` and `rcu_read_unlock`). Consequentl…
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Unscored —
bpf: Fix crash due to out of bounds access into reg2btf_ids.
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix crash due to out of bounds access into reg2btf_ids. When commit e6ac2450d6de ("bpf: Support bpf program calling kernel function") added kfunc support, it defined reg2btf_ids as a che…
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Unscored —
block: release rq qos structures for queue without disk
In the Linux kernel, the following vulnerability has been resolved: block: release rq qos structures for queue without disk blkcg_init_queue() may add rq qos structures to request queue, previously blk_cleanup_queue() calls rq_qos_exit() to release them, but …
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High 7.8
tracing: Have trace_event_file have ref counters
In the Linux kernel, the following vulnerability has been resolved: tracing: Have trace_event_file have ref counters The following can crash the kernel: # cd /sys/kernel/tracing # echo 'p:sched schedule' > kprobe_events # exec 5>>events/kprobes/sched/enable #…
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Unscored —
ACPI: CPPC: Use access_width over bit_width for system memory accesses
In the Linux kernel, the following vulnerability has been resolved: ACPI: CPPC: Use access_width over bit_width for system memory accesses To align with ACPI 6.3+, since bit_width can be any 8-bit value, it cannot be depended on to be always on a clean 8b bou…