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Package · Ubuntu

linux-kvm

12,405 known vulnerabilities.

12,259 results · Feed

  • Unscored —

    f2fs: fix IS_CHECKPOINTED flag inconsistency issue caused by concurrent atomic commit and checkpoint writes

    In the Linux kernel, the following vulnerability has been resolved: f2fs: fix IS_CHECKPOINTED flag inconsistency issue caused by concurrent atomic commit and checkpoint writes During SPO tests, when mounting F2FS, an -EINVAL error was returned from f2fs_recov…

  • Unscored —

    fbdev: rivafb: fix divide error in nv3_arb()

    In the Linux kernel, the following vulnerability has been resolved: fbdev: rivafb: fix divide error in nv3_arb() A userspace program can trigger the RIVA NV3 arbitration code by calling the FBIOPUT_VSCREENINFO ioctl on /dev/fb*. When doing so, the driver reco…

  • Unscored —

    f2fs: fix to do sanity check on node footer in {read,write}_end_io

    In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on node footer in {read,write}_end_io -----------[ cut here ]------------ kernel BUG at fs/f2fs/data.c:358! Call Trace: <IRQ> blk_update_request+0x5eb/0xe70 block…

  • Unscored —

    Revert "drm/amd: Check if ASPM is enabled from PCIe subsystem"

    In the Linux kernel, the following vulnerability has been resolved: Revert "drm/amd: Check if ASPM is enabled from PCIe subsystem" This reverts commit 7294863a6f01248d72b61d38478978d638641bee. This commit was erroneously applied again after commit 0ab5d711ec7…

  • Unscored —

    gve: Fix stats report corruption on queue count change

    In the Linux kernel, the following vulnerability has been resolved: gve: Fix stats report corruption on queue count change The driver and the NIC share a region in memory for stats reporting. The NIC calculates its offset into this region based on the total s…

  • Unscored —

    net: liquidio: Initialize netdev pointer before queue setup

    In the Linux kernel, the following vulnerability has been resolved: net: liquidio: Initialize netdev pointer before queue setup In setup_nic_devices(), the netdev is allocated using alloc_etherdev_mq(). However, the pointer to this structure is stored in oct-…

  • Unscored —

    net: liquidio: Fix off-by-one error in PF setup_nic_devices() cleanup

    In the Linux kernel, the following vulnerability has been resolved: net: liquidio: Fix off-by-one error in PF setup_nic_devices() cleanup In setup_nic_devices(), the initialization loop jumps to the label setup_nic_dev_free on failure. The current cleanup loo…

  • Unscored —

    net: liquidio: Fix off-by-one error in VF setup_nic_devices() cleanup

    In the Linux kernel, the following vulnerability has been resolved: net: liquidio: Fix off-by-one error in VF setup_nic_devices() cleanup In setup_nic_devices(), the initialization loop jumps to the label setup_nic_dev_free on failure. The current cleanup loo…

  • Unscored —

    net: add proper RCU protection to /proc/net/ptype

    In the Linux kernel, the following vulnerability has been resolved: net: add proper RCU protection to /proc/net/ptype Yin Fengwei reported an RCU stall in ptype_seq_show() and provided a patch. Real issue is that ptype_seq_next() and ptype_seq_show() violate …

  • High 7.5

    btrfs: fix reservation leak in some error paths when inserting inline extent

    In the Linux kernel, the following vulnerability has been resolved: btrfs: fix reservation leak in some error paths when inserting inline extent If we fail to allocate a path or join a transaction, we return from __cow_file_range_inline() without freeing the …

  • High 7.5

    btrfs: do not free data reservation in fallback from inline due to -ENOSPC

    In the Linux kernel, the following vulnerability has been resolved: btrfs: do not free data reservation in fallback from inline due to -ENOSPC If we fail to create an inline extent due to -ENOSPC, we will attempt to go through the normal COW path, reserve an …

  • High 7.8

    media: dvb-core: fix wrong reinitialization of ringbuffer on reopen

    In the Linux kernel, the following vulnerability has been resolved: media: dvb-core: fix wrong reinitialization of ringbuffer on reopen dvb_dvr_open() calls dvb_ringbuffer_init() when a new reader opens the DVR device. dvb_ringbuffer_init() calls init_waitque…

  • Unscored —

    tcp: secure_seq: add back ports to TS offset

    In the Linux kernel, the following vulnerability has been resolved: tcp: secure_seq: add back ports to TS offset This reverts 28ee1b746f49 ("secure_seq: downgrade to per-host timestamp offsets") tcp_tw_recycle went away in 2017. Zhouyan Deng reported off-path…

  • High 7.8

    net/sched: act_gate: snapshot parameters with RCU on replace

    In the Linux kernel, the following vulnerability has been resolved: net/sched: act_gate: snapshot parameters with RCU on replace The gate action can be replaced while the hrtimer callback or dump path is walking the schedule list. Convert the parameters to an…

  • High 7.5

    RDMA/siw: Fix potential NULL pointer dereference in header processing

    In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Fix potential NULL pointer dereference in header processing If siw_get_hdr() returns -EINVAL before set_rx_fpdu_context(), qp->rx_fpdu can be NULL. The error path in siw_tcp_rx_data…

  • High 7.8

    RDMA/umad: Reject negative data_len in ib_umad_write

    In the Linux kernel, the following vulnerability has been resolved: RDMA/umad: Reject negative data_len in ib_umad_write ib_umad_write computes data_len from user-controlled count and the MAD header sizes. With a mismatched user MAD header size and RMPP heade…

  • Unscored —

    fs: ntfs3: fix infinite loop triggered by zero-sized ATTR_LIST

    In the Linux kernel, the following vulnerability has been resolved: fs: ntfs3: fix infinite loop triggered by zero-sized ATTR_LIST We found an infinite loop bug in the ntfs3 file system that can lead to a Denial-of-Service (DoS) condition. A malformed NTFS im…

  • Unscored —

    fs: ntfs3: check return value of indx_find to avoid infinite loop

    In the Linux kernel, the following vulnerability has been resolved: fs: ntfs3: check return value of indx_find to avoid infinite loop We found an infinite loop bug in the ntfs3 file system that can lead to a Denial-of-Service (DoS) condition. A malformed dent…

  • Unscored —

    fs: ntfs3: fix infinite loop in attr_load_runs_range on inconsistent metadata

    In the Linux kernel, the following vulnerability has been resolved: fs: ntfs3: fix infinite loop in attr_load_runs_range on inconsistent metadata We found an infinite loop bug in the ntfs3 file system that can lead to a Denial-of-Service (DoS) condition. A ma…

  • Critical 9.8

    tls: Fix race condition in tls_sw_cancel_work_tx()

    In the Linux kernel, the following vulnerability has been resolved: tls: Fix race condition in tls_sw_cancel_work_tx() This issue was discovered during a code audit. After cancel_delayed_work_sync() is called from tls_sk_proto_close(), tx_work_handler() can s…

  • High 7.8

    espintcp: Fix race condition in espintcp_close()

    In the Linux kernel, the following vulnerability has been resolved: espintcp: Fix race condition in espintcp_close() This issue was discovered during a code audit. After cancel_work_sync() is called from espintcp_close(), espintcp_tx_work() can still be sched…

  • 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…

  • 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…

  • Unscored —

    romfs: check sb_set_blocksize() return value

    In the Linux kernel, the following vulnerability has been resolved: romfs: check sb_set_blocksize() return value romfs_fill_super() ignores the return value of sb_set_blocksize(), which can fail if the requested block size is incompatible with the block devic…

  • Unscored —

    platform/x86: classmate-laptop: Add missing NULL pointer checks

    In the Linux kernel, the following vulnerability has been resolved: platform/x86: classmate-laptop: Add missing NULL pointer checks In a few places in the Classmate laptop driver, code using the accel object may run before that object's address is stored in t…

  • High 7.3

    fbdev: smscufx: properly copy ioctl memory to kernelspace

    In the Linux kernel, the following vulnerability has been resolved: fbdev: smscufx: properly copy ioctl memory to kernelspace The UFX_IOCTL_REPORT_DAMAGE ioctl does not properly copy data from userspace to kernelspace, and instead directly references the memo…

  • Unscored —

    f2fs: fix out-of-bounds access in sysfs attribute read/write

    In the Linux kernel, the following vulnerability has been resolved: f2fs: fix out-of-bounds access in sysfs attribute read/write Some f2fs sysfs attributes suffer from out-of-bounds memory access and incorrect handling of integer values whose size is not 4 by…

  • Unscored —

    f2fs: fix to avoid UAF in f2fs_write_end_io()

    In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid UAF in f2fs_write_end_io() As syzbot reported an use-after-free issue in f2fs_write_end_io(). It is caused by below race condition: loop device umount - worker_thread - loo…

  • Unscored —

    scsi: qla2xxx: Fix bsg_done() causing double free

    In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix bsg_done() causing double free Kernel panic observed on system, [5353358.825191] BUG: unable to handle page fault for address: ff5f5e897b024000 [5353358.825194] #PF: superv…

  • 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…

  • Unscored —

    crypto: virtio - Add spinlock protection with virtqueue notification

    In the Linux kernel, the following vulnerability has been resolved: crypto: virtio - Add spinlock protection with virtqueue notification When VM boots with one virtio-crypto PCI device and builtin backend, run openssl benchmark command with multiple processes…

  • Unscored —

    smb: server: fix leak of active_num_conn in ksmbd_tcp_new_connection()

    In the Linux kernel, the following vulnerability has been resolved: smb: server: fix leak of active_num_conn in ksmbd_tcp_new_connection() On kthread_run() failure in ksmbd_tcp_new_connection(), the transport is freed via free_transport(), which does not decr…

  • High 7.8

    drm/exynos: vidi: use ctx->lock to protect struct vidi_context member variables related to memory alloc/free

    In the Linux kernel, the following vulnerability has been resolved: drm/exynos: vidi: use ctx->lock to protect struct vidi_context member variables related to memory alloc/free Exynos Virtual Display driver performs memory alloc/free operations without lock p…

  • High 8.8

    ksmbd: add chann_lock to protect ksmbd_chann_list xarray

    In the Linux kernel, the following vulnerability has been resolved: ksmbd: add chann_lock to protect ksmbd_chann_list xarray ksmbd_chann_list xarray lacks synchronization, allowing use-after-free in multi-channel sessions (between lookup_chann_list() and ksmb…

  • High 7.8

    crypto: omap - Allocate OMAP_CRYPTO_FORCE_COPY scatterlists correctly

    In the Linux kernel, the following vulnerability has been resolved: crypto: omap - Allocate OMAP_CRYPTO_FORCE_COPY scatterlists correctly The existing allocation of scatterlists in omap_crypto_copy_sg_lists() was allocating an array of scatterlist pointers, n…

  • Unscored —

    bus: fsl-mc: fix use-after-free in driver_override_show()

    In the Linux kernel, the following vulnerability has been resolved: bus: fsl-mc: fix use-after-free in driver_override_show() The driver_override_show() function reads the driver_override string without holding the device_lock. However, driver_override_store(…

  • Unscored —

    ksmbd: fix infinite loop caused by next_smb2_rcv_hdr_off reset in error paths

    In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix infinite loop caused by next_smb2_rcv_hdr_off reset in error paths The problem occurs when a signed request fails smb2 signature verification check. In __process_request(), if chec…

  • Unscored —

    nilfs2: Fix potential block overflow that cause system hang

    In the Linux kernel, the following vulnerability has been resolved: nilfs2: Fix potential block overflow that cause system hang When a user executes the FITRIM command, an underflow can occur when calculating nblocks if end_block is too small. Since nblocks i…

  • High 7.5

    scsi: qla2xxx: Validate sp before freeing associated memory

    In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Validate sp before freeing associated memory System crash with the following signature [154563.214890] nvme nvme2: NVME-FC{1}: controller connect complete [154564.169363] qla2x…

  • Unscored —

    scsi: qla2xxx: Delay module unload while fabric scan in progress

    In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Delay module unload while fabric scan in progress System crash seen during load/unload test in a loop. [105954.384919] RBP: ffff914589838dc0 R08: 0000000000000000 R09: 00000000…