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linux

20,203 known vulnerabilities.

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  • High 7.5

    octeontx2-af: Workaround SQM/PSE stalls by disabling sticky

    In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: Workaround SQM/PSE stalls by disabling sticky NIX SQ manager sticky mode is known to cause stalls when multiple SQs share an SMQ and transmit concurrently. Additionally, PSE may…

  • High 8.3

    net: nfc: nci: Fix parameter validation for packet data

    In the Linux kernel, the following vulnerability has been resolved: net: nfc: nci: Fix parameter validation for packet data Since commit 9c328f54741b ("net: nfc: nci: Add parameter validation for packet data") communication with nci nfc chips is not working a…

  • High 7.8

    media: uvcvideo: Return queued buffers on start_streaming() failure

    In the Linux kernel, the following vulnerability has been resolved: media: uvcvideo: Return queued buffers on start_streaming() failure Return buffers if streaming fails to start due to uvc_pm_get() error. This bug may be responsible for a warning I got runni…

  • High 8.8
    CVE-2026-43284 Public exploit EPSS 94%

    xfrm: esp: avoid in-place decrypt on shared skb frags

    In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags MSG_SPLICE_PAGES can attach pages from a pipe directly to an skb. TCP marks such skbs with SKBFL_SHARED_FRAG after skb_splice_from_iter()…

  • High 7.5

    jfs: nlink overflow in jfs_rename

    In the Linux kernel, the following vulnerability has been resolved: jfs: nlink overflow in jfs_rename If nlink is maximal for a directory (-1) and inside that directory you perform a rename for some child directory (not moving from the parent), then the nlink…

  • High 7.1

    fs/ntfs3: handle attr_set_size() errors when truncating files

    In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: handle attr_set_size() errors when truncating files If attr_set_size() fails while truncating down, the error is silently ignored and the inode may be left in an inconsistent state.

  • High 7.8

    ASoC: SOF: ipc4-topology: Correct the allocation size for bytes controls

    In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: ipc4-topology: Correct the allocation size for bytes controls The size of the data behind of scontrol->ipc_control_data for bytes controls is: [1] sizeof(struct sof_ipc4_control_da…

  • High 8.8

    net: ethernet: ec_bhf: Fix dma_free_coherent() dma handle

    In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ec_bhf: Fix dma_free_coherent() dma handle dma_free_coherent() in error path takes priv->rx_buf.alloc_len as the dma handle. This would lead to improper unmapping of the buffer…

  • High 7.1

    drm/xe: Add bounds check on pat_index to prevent OOB kernel read in madvise

    In the Linux kernel, the following vulnerability has been resolved: drm/xe: Add bounds check on pat_index to prevent OOB kernel read in madvise When user provides a bogus pat_index value through the madvise IOCTL, the xe_pat_index_get_coh_mode() function perf…

  • High 7.8

    dm: clear cloned request bio pointer when last clone bio completes

    In the Linux kernel, the following vulnerability has been resolved: dm: clear cloned request bio pointer when last clone bio completes Stale rq->bio values have been observed to cause double-initialization of cloned bios in request-based device-mapper targets…

  • High 7.8

    ALSA: usb-audio: Add sanity check for OOB writes at silencing

    In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Add sanity check for OOB writes at silencing At silencing the playback URB packets in the implicit fb mode before the actual playback, we blindly assume that the received pac…

  • High 8.4

    mailbox: mchp-ipc-sbi: fix out-of-bounds access in mchp_ipc_get_cluster_aggr_irq()

    In the Linux kernel, the following vulnerability has been resolved: mailbox: mchp-ipc-sbi: fix out-of-bounds access in mchp_ipc_get_cluster_aggr_irq() The cluster_cfg array is dynamically allocated to hold per-CPU configuration structures, with its size based…

  • High 7.8

    media: chips-media: wave5: Fix Null reference while testing fluster

    In the Linux kernel, the following vulnerability has been resolved: media: chips-media: wave5: Fix Null reference while testing fluster When multi instances are created/destroyed, many interrupts happens and structures for decoder are removed. "struct vpu_ins…

  • High 7.8

    alpha: fix user-space corruption during memory compaction

    In the Linux kernel, the following vulnerability has been resolved: alpha: fix user-space corruption during memory compaction Alpha systems can suffer sporadic user-space crashes and heap corruption when memory compaction is enabled. Symptoms include SIGSEGV,…

  • High 7.8

    media: qcom: camss: vfe: Fix out-of-bounds access in vfe_isr_reg_update()

    In the Linux kernel, the following vulnerability has been resolved: media: qcom: camss: vfe: Fix out-of-bounds access in vfe_isr_reg_update() vfe_isr() iterates using MSM_VFE_IMAGE_MASTERS_NUM(7) as the loop bound and passes the index to vfe_isr_reg_update().…

  • High 7.5

    iommu/amd: move wait_on_sem() out of spinlock

    In the Linux kernel, the following vulnerability has been resolved: iommu/amd: move wait_on_sem() out of spinlock With iommu.strict=1, the existing completion wait path can cause soft lockups under stressed environment, as wait_on_sem() busy-waits under the s…

  • High 7.5

    ovpn: tcp - fix packet extraction from stream

    In the Linux kernel, the following vulnerability has been resolved: ovpn: tcp - fix packet extraction from stream When processing TCP stream data in ovpn_tcp_recv, we receive large cloned skbs from __strp_rcv that may contain multiple coalesced packets. The c…

  • High 8.8

    9p/xen: protect xen_9pfs_front_free against concurrent calls

    In the Linux kernel, the following vulnerability has been resolved: 9p/xen: protect xen_9pfs_front_free against concurrent calls The xenwatch thread can race with other back-end change notifications and call xen_9pfs_front_free() twice, hitting the observed g…

  • High 7.8

    vhost: move vdpa group bound check to vhost_vdpa

    In the Linux kernel, the following vulnerability has been resolved: vhost: move vdpa group bound check to vhost_vdpa Remove duplication by consolidating these here. This reduces the posibility of a parent driver missing them. While we're at it, fix a bug in v…

  • High 7.5

    ntfs: ->d_compare() must not block

    In the Linux kernel, the following vulnerability has been resolved: ntfs: ->d_compare() must not block ... so don't use __getname() there. Switch it (and ntfs_d_hash(), while we are at it) to kmalloc(PATH_MAX, GFP_NOWAIT). Yes, ntfs_d_hash() almost certainly …

  • High 8.8

    smb: client: prevent races in ->query_interfaces()

    In the Linux kernel, the following vulnerability has been resolved: smb: client: prevent races in ->query_interfaces() It was possible for two query interface works to be concurrently trying to update the interfaces. Prevent this by checking and updating ifac…

  • High 7.8

    drm/amdgpu: Refactor amdgpu_gem_va_ioctl for Handling Last Fence Update and Timeline Management v4

    In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Refactor amdgpu_gem_va_ioctl for Handling Last Fence Update and Timeline Management v4 This commit simplifies the amdgpu_gem_va_ioctl function, key updates include: - Moved the lo…

  • High 7.8

    drm/atmel-hlcdc: fix use-after-free of drm_crtc_commit after release

    In the Linux kernel, the following vulnerability has been resolved: drm/atmel-hlcdc: fix use-after-free of drm_crtc_commit after release The atmel_hlcdc_plane_atomic_duplicate_state() callback was copying the atmel_hlcdc_plane state structure without properly…

  • High 8.2

    netfilter: nf_conntrack_h323: fix OOB read in decode_choice()

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack_h323: fix OOB read in decode_choice() In decode_choice(), the boundary check before get_len() uses the variable `len`, which is still 0 from its initialization at the …

  • High 8.8

    net: wan: farsync: Fix use-after-free bugs caused by unfinished tasklets

    In the Linux kernel, the following vulnerability has been resolved: net: wan: farsync: Fix use-after-free bugs caused by unfinished tasklets When the FarSync T-series card is being detached, the fst_card_info is deallocated in fst_remove_one(). However, the f…

  • High 7.5

    net/rds: Clear reconnect pending bit

    In the Linux kernel, the following vulnerability has been resolved: net/rds: Clear reconnect pending bit When canceling the reconnect worker, care must be taken to reset the reconnect-pending bit. If the reconnect worker has not yet been scheduled before it i…

  • High 7.5

    net/rds: No shortcut out of RDS_CONN_ERROR

    In the Linux kernel, the following vulnerability has been resolved: net/rds: No shortcut out of RDS_CONN_ERROR RDS connections carry a state "rds_conn_path::cp_state" and transitions from one state to another and are conditional upon an expected state: "rds_c…

  • High 7.8

    media: verisilicon: AV1: Fix tile info buffer size

    In the Linux kernel, the following vulnerability has been resolved: media: verisilicon: AV1: Fix tile info buffer size Each tile info is composed of: row_sb, col_sb, start_pos and end_pos (4 bytes each). So the total required memory is AV1_MAX_TILES * 16 byte…

  • High 8.8

    cifs: Fix locking usage for tcon fields

    In the Linux kernel, the following vulnerability has been resolved: cifs: Fix locking usage for tcon fields We used to use the cifs_tcp_ses_lock to protect a lot of objects that are not just the server, ses or tcon lists. We later introduced srv_lock, ses_loc…

  • High 7.8

    KVM: x86: Add SRCU protection for reading PDPTRs in __get_sregs2()

    In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Add SRCU protection for reading PDPTRs in __get_sregs2() Add SRCU read-side protection when reading PDPTR registers in __get_sregs2(). Reading PDPTRs may trigger access to guest mem…

  • High 7.8

    LoongArch: Make cpumask_of_node() robust against NUMA_NO_NODE

    In the Linux kernel, the following vulnerability has been resolved: LoongArch: Make cpumask_of_node() robust against NUMA_NO_NODE The arch definition of cpumask_of_node() cannot handle NUMA_NO_NODE - which is a valid index - so add a check for this.

  • High 7.5

    wifi: rtw89: pci: validate sequence number of TX release report

    In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: pci: validate sequence number of TX release report Hardware rarely reports abnormal sequence number in TX release report, which will access out-of-bounds of wd_ring->pages array,…

  • High 7.8

    PCI: Fix pci_slot_trylock() error handling

    In the Linux kernel, the following vulnerability has been resolved: PCI: Fix pci_slot_trylock() error handling Commit a4e772898f8b ("PCI: Add missing bridge lock to pci_bus_lock()") delegates the bridge device's pci_dev_trylock() to pci_bus_trylock() in pci_s…

  • High 7.8

    media: mtk-mdp: Fix error handling in probe function

    In the Linux kernel, the following vulnerability has been resolved: media: mtk-mdp: Fix error handling in probe function Add mtk_mdp_unregister_m2m_device() on the error handling path to prevent resource leak. Add check for the return value of vpu_get_plat_de…

  • High 7.8

    drm/amdkfd: Fix out-of-bounds write in kfd_event_page_set()

    In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix out-of-bounds write in kfd_event_page_set() The kfd_event_page_set() function writes KFD_SIGNAL_EVENT_LIMIT * 8 bytes via memset without checking the buffer size parameter. Th…

  • High 7.5

    atm: fore200e: fix use-after-free in tasklets during device removal

    In the Linux kernel, the following vulnerability has been resolved: atm: fore200e: fix use-after-free in tasklets during device removal When the PCA-200E or SBA-200E adapter is being detached, the fore200e is deallocated. However, the tx_tasklet or rx_tasklet…

  • High 7.5

    net/mlx5e: Fix "scheduling while atomic" in IPsec MAC address query

    In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix "scheduling while atomic" in IPsec MAC address query Fix a "scheduling while atomic" bug in mlx5e_ipsec_init_macs() by replacing mlx5_query_mac_address() with ether_addr_copy()…

  • High 7.5

    net: consume xmit errors of GSO frames

    In the Linux kernel, the following vulnerability has been resolved: net: consume xmit errors of GSO frames udpgro_frglist.sh and udpgro_bench.sh are the flakiest tests currently in NIPA. They fail in the same exact way, TCP GRO test stalls occasionally and th…

  • High 8.2

    netfilter: xt_tcpmss: check remaining length before reading optlen

    In the Linux kernel, the following vulnerability has been resolved: netfilter: xt_tcpmss: check remaining length before reading optlen Quoting reporter: In net/netfilter/xt_tcpmss.c (lines 53-68), the TCP option parser reads op[i+1] directly without validatin…

  • High 8.8

    xfs: delete attr leaf freemap entries when empty

    In the Linux kernel, the following vulnerability has been resolved: xfs: delete attr leaf freemap entries when empty Back in commit 2a2b5932db6758 ("xfs: fix attr leaf header freemap.size underflow"), Brian Foster observed that it's possible for a small freem…