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Package · Ubuntu

linux-kvm

12,406 known vulnerabilities.

12,260 results · Feed

  • High 7.8

    Revert "Revert "block, bfq: honor already-setup queue merges""

    In the Linux kernel, the following vulnerability has been resolved: Revert "Revert "block, bfq: honor already-setup queue merges"" A crash [1] happened to be triggered in conjunction with commit 2d52c58b9c9b ("block, bfq: honor already-setup queue merges"). T…

  • Unscored —

    clk: qcom: ipq8074: fix PCI-E clock oops

    In the Linux kernel, the following vulnerability has been resolved: clk: qcom: ipq8074: fix PCI-E clock oops Fix PCI-E clock related kernel oops that are caused by a missing clock parent. pcie0_rchng_clk_src has num_parents set to 2 but only one parent is act…

  • Medium 5.5

    media: staging: media: zoran: calculate the right buffer number for zoran_reap_stat_com

    In the Linux kernel, the following vulnerability has been resolved: media: staging: media: zoran: calculate the right buffer number for zoran_reap_stat_com On the case tmp_dcim=1, the index of buffer is miscalculated. This generate a NULL pointer dereference …

  • Medium 5.5

    media: staging: media: zoran: move videodev alloc

    In the Linux kernel, the following vulnerability has been resolved: media: staging: media: zoran: move videodev alloc Move some code out of zr36057_init() and create new functions for handling zr->video_dev. This permit to ease code reading and fix a zr->vide…

  • Unscored —

    media: ir_toy: free before error exiting

    In the Linux kernel, the following vulnerability has been resolved: media: ir_toy: free before error exiting Fix leak in error path.

  • Unscored —

    video: fbdev: nvidiafb: Use strscpy() to prevent buffer overflow

    In the Linux kernel, the following vulnerability has been resolved: video: fbdev: nvidiafb: Use strscpy() to prevent buffer overflow Coverity complains of a possible buffer overflow. However, given the 'static' scope of nvidia_setup_i2c_bus() it looks like th…

  • High 7.8

    powerpc/kasan: Fix early region not updated correctly

    In the Linux kernel, the following vulnerability has been resolved: powerpc/kasan: Fix early region not updated correctly The shadow's page table is not updated when PTE_RPN_SHIFT is 24 and PAGE_SHIFT is 12. It not only causes false positives but also false n…

  • Medium 5.5

    video: fbdev: cirrusfb: check pixclock to avoid divide by zero

    In the Linux kernel, the following vulnerability has been resolved: video: fbdev: cirrusfb: check pixclock to avoid divide by zero Do a sanity check on pixclock value to avoid divide by zero. If the pixclock value is zero, the cirrusfb driver will round up pi…

  • High 7.8

    KVM: x86/mmu: Zap _all_ roots when unmapping gfn range in TDP MMU

    In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Zap _all_ roots when unmapping gfn range in TDP MMU Zap both valid and invalid roots when zapping/unmapping a gfn range, as KVM must ensure it holds no references to the freed p…

  • High 7.8

    ubifs: rename_whiteout: Fix double free for whiteout_ui->data

    In the Linux kernel, the following vulnerability has been resolved: ubifs: rename_whiteout: Fix double free for whiteout_ui->data 'whiteout_ui->data' will be freed twice if space budget fail for rename whiteout operation as following process: rename_whiteout …

  • High 7.1

    ubifs: Fix read out-of-bounds in ubifs_wbuf_write_nolock()

    In the Linux kernel, the following vulnerability has been resolved: ubifs: Fix read out-of-bounds in ubifs_wbuf_write_nolock() Function ubifs_wbuf_write_nolock() may access buf out of bounds in following process: ubifs_wbuf_write_nolock(): aligned_len = ALIGN…

  • Medium 5.5

    ubifs: Fix deadlock in concurrent rename whiteout and inode writeback

    In the Linux kernel, the following vulnerability has been resolved: ubifs: Fix deadlock in concurrent rename whiteout and inode writeback Following hung tasks: [ 77.028764] task:kworker/u8:4 state:D stack: 0 pid: 132 [ 77.028820] Call Trace: [ 77.029027] sche…

  • High 7.8

    ubi: Fix race condition between ctrl_cdev_ioctl and ubi_cdev_ioctl

    In the Linux kernel, the following vulnerability has been resolved: ubi: Fix race condition between ctrl_cdev_ioctl and ubi_cdev_ioctl Hulk Robot reported a KASAN report about use-after-free: ================================================================== …

  • High 7.8

    ubifs: Fix to add refcount once page is set private

    In the Linux kernel, the following vulnerability has been resolved: ubifs: Fix to add refcount once page is set private MM defined the rule [1] very clearly that once page was set with PG_private flag, we should increment the refcount in that page, also main …

  • Unscored —

    ath5k: fix OOB in ath5k_eeprom_read_pcal_info_5111

    In the Linux kernel, the following vulnerability has been resolved: ath5k: fix OOB in ath5k_eeprom_read_pcal_info_5111 The bug was found during fuzzing. Stacktrace locates it in ath5k_eeprom_convert_pcal_info_5111. When none of the curve is selected in the lo…

  • Medium 5.5

    powerpc/set_memory: Avoid spinlock recursion in change_page_attr()

    In the Linux kernel, the following vulnerability has been resolved: powerpc/set_memory: Avoid spinlock recursion in change_page_attr() Commit 1f9ad21c3b38 ("powerpc/mm: Implement set_memory() routines") included a spin_lock() to change_page_attr() in order to…

  • Medium 5.5

    ARM: davinci: da850-evm: Avoid NULL pointer dereference

    In the Linux kernel, the following vulnerability has been resolved: ARM: davinci: da850-evm: Avoid NULL pointer dereference With newer versions of GCC, there is a panic in da850_evm_config_emac() when booting multi_v5_defconfig in QEMU under the palmetto-bmc …

  • High 7.8

    io_uring/rw: split io_read() into a helper

    In the Linux kernel, the following vulnerability has been resolved: IORING_OP_READ did not correctly consume the provided buffer list when read i/o returned < 0 (except for -EAGAIN and -EIOCBQUEUED return). This can lead to a potential use-after-free when the…

  • Unscored —

    usb: cdc-acm: Check control transfer buffer size before access

    In the Linux kernel, the following vulnerability has been resolved: usb: cdc-acm: Check control transfer buffer size before access If the first fragment is shorter than struct usb_cdc_notification, we can't calculate an expected_size. Log an error and discard…

  • High 7.8

    netem: Update sch->q.qlen before qdisc_tree_reduce_backlog()

    In the Linux kernel, the following vulnerability has been resolved: netem: Update sch->q.qlen before qdisc_tree_reduce_backlog() qdisc_tree_reduce_backlog() notifies parent qdisc only if child qdisc becomes empty, therefore we need to reduce the backlog of th…

  • High 7.8

    pfifo_tail_enqueue: Drop new packet when sch->limit == 0

    In the Linux kernel, the following vulnerability has been resolved: pfifo_tail_enqueue: Drop new packet when sch->limit == 0 Expected behaviour: In case we reach scheduler's limit, pfifo_tail_enqueue() will drop a packet in scheduler's queue and decrease sche…

  • Medium 4.7

    Unprotected alternative channel of return branch target prediction in some Intel(R) Processors may allow an authorized …

  • High 7.8

    net: avoid race between device unregistration and ethnl ops

    In the Linux kernel, the following vulnerability has been resolved: net: avoid race between device unregistration and ethnl ops The following trace can be seen if a device is being unregistered while its number of channels are being modified. DEBUG_LOCKS_WARN…

  • High 7.8

    net: sched: Disallow replacing of child qdisc from one parent to another

    In the Linux kernel, the following vulnerability has been resolved: net: sched: Disallow replacing of child qdisc from one parent to another Lion Ackermann was able to create a UAF which can be abused for privilege escalation with the following script Step 1.…

  • Low 3.3

    Incorrect execution-assigned permissions in the Linux kernel mode driver for the Intel(R) 800 Series Ethernet Driver be…

  • High 7.8

    gfs2: Truncate address space when flipping GFS2_DIF_JDATA flag

    In the Linux kernel, the following vulnerability has been resolved: gfs2: Truncate address space when flipping GFS2_DIF_JDATA flag Truncate an inode's address space when flipping the GFS2_DIF_JDATA flag: depending on that flag, the pages in the address space …

  • High 7.8

    drm/v3d: Ensure job pointer is set to NULL after job completion

    In the Linux kernel, the following vulnerability has been resolved: drm/v3d: Ensure job pointer is set to NULL after job completion After a job completes, the corresponding pointer in the device must be set to NULL. Failing to do so triggers a warning when un…

  • Medium 5.5

    mm: clear uffd-wp PTE/PMD state on mremap()

    In the Linux kernel, the following vulnerability has been resolved: mm: clear uffd-wp PTE/PMD state on mremap() When mremap()ing a memory region previously registered with userfaultfd as write-protected but without UFFD_FEATURE_EVENT_REMAP, an inconsistency i…

  • High 7.8

    hrtimers: Handle CPU state correctly on hotplug

    In the Linux kernel, the following vulnerability has been resolved: hrtimers: Handle CPU state correctly on hotplug Consider a scenario where a CPU transitions from CPUHP_ONLINE to halfway through a CPU hotunplug down to CPUHP_HRTIMERS_PREPARE, and then back …

  • Medium 5.5

    fs/proc: fix softlockup in __read_vmcore (part 2)

    In the Linux kernel, the following vulnerability has been resolved: fs/proc: fix softlockup in __read_vmcore (part 2) Since commit 5cbcb62dddf5 ("fs/proc: fix softlockup in __read_vmcore") the number of softlockups in __read_vmcore at kdump time have gone dow…

  • High 7.8

    mm: zswap: properly synchronize freeing resources during CPU hotunplug

    In the Linux kernel, the following vulnerability has been resolved: mm: zswap: properly synchronize freeing resources during CPU hotunplug In zswap_compress() and zswap_decompress(), the per-CPU acomp_ctx of the current CPU at the beginning of the operation i…

  • High 7.8
    CVE-2025-21692 Public exploit

    net: sched: fix ets qdisc OOB Indexing

    In the Linux kernel, the following vulnerability has been resolved: net: sched: fix ets qdisc OOB Indexing Haowei Yan <g1042620637@gmail.com> found that ets_class_from_arg() can index an Out-Of-Bound class in ets_class_from_arg() when passed clid of 0. The ov…

  • Medium 5.5

    scsi: storvsc: Ratelimit warning logs to prevent VM denial of service

    In the Linux kernel, the following vulnerability has been resolved: scsi: storvsc: Ratelimit warning logs to prevent VM denial of service If there's a persistent error in the hypervisor, the SCSI warning for failed I/O can flood the kernel log and max out CPU…

  • Medium 5.5

    USB: serial: quatech2: fix null-ptr-deref in qt2_process_read_urb()

    In the Linux kernel, the following vulnerability has been resolved: USB: serial: quatech2: fix null-ptr-deref in qt2_process_read_urb() This patch addresses a null-ptr-deref in qt2_process_read_urb() due to an incorrect bounds check in the following: if (newp…

  • High 7.8

    vfio/platform: check the bounds of read/write syscalls

    In the Linux kernel, the following vulnerability has been resolved: vfio/platform: check the bounds of read/write syscalls count and offset are passed from user space and not checked, only offset is capped to 40 bits, which can be used to read/write out of bo…

  • Unscored —

    gpio: xilinx: Convert gpio_lock to raw spinlock

    In the Linux kernel, the following vulnerability has been resolved: gpio: xilinx: Convert gpio_lock to raw spinlock irq_chip functions may be called in raw spinlock context. Therefore, we must also use a raw spinlock for our own internal locking. This fixes t…

  • Medium 6.2

    netfilter: nf_tables: don't fail inserts if duplicate has expired

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: don't fail inserts if duplicate has expired nftables selftests fail: run-tests.sh testcases/sets/0044interval_overlap_0 Expected: 0-2 . 0-3, got: W: [FAILED] ./testcases…

  • Unscored —

    netfilter: nf_tables: don't skip expired elements during walk

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: don't skip expired elements during walk There is an asymmetry between commit/abort and preparation phase if the following conditions are met: 1. set is a verdict map ("1…

  • Medium 5.5

    bpf: Fix bpf_sk_select_reuseport() memory leak

    In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bpf_sk_select_reuseport() memory leak As pointed out in the original comment, lookup in sockmap can return a TCP ESTABLISHED socket. Such TCP socket may have had SO_ATTACH_REUSEPORT_…

  • High 7.3

    eth: bnxt: always recalculate features after XDP clearing, fix null-deref

    In the Linux kernel, the following vulnerability has been resolved: eth: bnxt: always recalculate features after XDP clearing, fix null-deref Recalculate features when XDP is detached. Before: # ip li set dev eth0 xdp obj xdp_dummy.bpf.o sec xdp # ip li set d…