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Package · Ubuntu

linux-kvm

12,406 known vulnerabilities.

12,260 results · Feed

  • High 7.8

    ACPICA: Revert "ACPICA: avoid Info: mapping multiple BARs. Your kernel is fine."

    In the Linux kernel, the following vulnerability has been resolved: ACPICA: Revert "ACPICA: avoid Info: mapping multiple BARs. Your kernel is fine." Undo the modifications made in commit d410ee5109a1 ("ACPICA: avoid "Info: mapping multiple BARs. Your kernel i…

  • Critical 9.8

    tipc: force a dst refcount before doing decryption

    In the Linux kernel, the following vulnerability has been resolved: tipc: force a dst refcount before doing decryption As it says in commit 3bc07321ccc2 ("xfrm: Force a dst refcount before entering the xfrm type handlers"): "Crypto requests might return async…

  • Unscored —

    batman-adv: bypass empty buckets in batadv_purge_orig_ref()

    In the Linux kernel, the following vulnerability has been resolved: batman-adv: bypass empty buckets in batadv_purge_orig_ref() Many syzbot reports are pointing to soft lockups in batadv_purge_orig_ref() [1] Root cause is unknown, but we can avoid spending to…

  • High 7.5

    drop_monitor: replace spin_lock by raw_spin_lock

    In the Linux kernel, the following vulnerability has been resolved: drop_monitor: replace spin_lock by raw_spin_lock trace_drop_common() is called with preemption disabled, and it acquires a spin_lock. This is problematic for RT kernels because spin_locks are…

  • Unscored —

    scsi: qedi: Fix crash while reading debugfs attribute

    In the Linux kernel, the following vulnerability has been resolved: scsi: qedi: Fix crash while reading debugfs attribute The qedi_dbg_do_not_recover_cmd_read() function invokes sprintf() directly on a __user pointer, which results into the crash. To fix this…

  • Unscored —

    wifi: mt76: mt7921s: fix potential hung tasks during chip recovery

    In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921s: fix potential hung tasks during chip recovery During chip recovery (e.g. chip reset), there is a possible situation that kernel worker reset_work is holding the lock and …

  • Unscored —

    drm/lima: mask irqs in timeout path before hard reset

    In the Linux kernel, the following vulnerability has been resolved: drm/lima: mask irqs in timeout path before hard reset There is a race condition in which a rendering job might take just long enough to trigger the drm sched job timeout handler but also stil…

  • High 7.8

    powerpc/pseries: Enforce hcall result buffer validity and size

    In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Enforce hcall result buffer validity and size plpar_hcall(), plpar_hcall9(), and related functions expect callers to provide valid result buffers of certain minimum size. Cur…

  • Unscored —

    media: mtk-vcodec: potential null pointer deference in SCP

    In the Linux kernel, the following vulnerability has been resolved: media: mtk-vcodec: potential null pointer deference in SCP The return value of devm_kzalloc() needs to be checked to avoid NULL pointer deference. This is similar to CVE-2022-3113.

  • Unscored —

    ext4: do not create EA inode under buffer lock

    In the Linux kernel, the following vulnerability has been resolved: ext4: do not create EA inode under buffer lock ext4_xattr_set_entry() creates new EA inodes while holding buffer lock on the external xattr block. This is problematic as it nests all the allo…

  • High 7.3

    f2fs: remove clear SB_INLINECRYPT flag in default_options

    In the Linux kernel, the following vulnerability has been resolved: f2fs: remove clear SB_INLINECRYPT flag in default_options In f2fs_remount, SB_INLINECRYPT flag will be clear and re-set. If create new file or open file during this gap, these files will not …

  • High 7.8

    Avoid hw_desc array overrun in dw-axi-dmac

    In the Linux kernel, the following vulnerability has been resolved: Avoid hw_desc array overrun in dw-axi-dmac I have a use case where nr_buffers = 3 and in which each descriptor is composed by 3 segments, resulting in the DMA channel descs_allocated to be 9.…

  • Unscored —

    MIPS: Octeon: Add PCIe link status check

    In the Linux kernel, the following vulnerability has been resolved: MIPS: Octeon: Add PCIe link status check The standard PCIe configuration read-write interface is used to access the configuration space of the peripheral PCIe devices of the mips processor af…

  • Unscored —

    serial: imx: Introduce timeout when waiting on transmitter empty

    In the Linux kernel, the following vulnerability has been resolved: serial: imx: Introduce timeout when waiting on transmitter empty By waiting at most 1 second for USR2_TXDC to be set, we avoid a potential deadlock. In case of the timeout, there is not much …

  • Unscored —

    tty: add the option to have a tty reject a new ldisc

    In the Linux kernel, the following vulnerability has been resolved: tty: add the option to have a tty reject a new ldisc ... and use it to limit the virtual terminals to just N_TTY. They are kind of special, and in particular, the "con_write()" routine violat…

  • Unscored —

    i2c: lpi2c: Avoid calling clk_get_rate during transfer

    In the Linux kernel, the following vulnerability has been resolved: i2c: lpi2c: Avoid calling clk_get_rate during transfer Instead of repeatedly calling clk_get_rate for each transfer, lock the clock rate and cache the value. A deadlock has been observed whil…

  • Unscored —

    mips: bmips: BCM6358: make sure CBR is correctly set

    In the Linux kernel, the following vulnerability has been resolved: mips: bmips: BCM6358: make sure CBR is correctly set It was discovered that some device have CBR address set to 0 causing kernel panic when arch_sync_dma_for_cpu_all is called. This was notic…

  • Unscored —

    ipv6: prevent possible NULL deref in fib6_nh_init()

    In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible NULL deref in fib6_nh_init() syzbot reminds us that in6_dev_get() can return NULL. fib6_nh_init() ip6_validate_gw( &idev ) ip6_route_check_nh( idev ) *idev = in6_dev_ge…

  • Unscored —

    ipv6: prevent possible NULL dereference in rt6_probe()

    In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible NULL dereference in rt6_probe() syzbot caught a NULL dereference in rt6_probe() [1] Bail out if __in6_dev_get() returns NULL. [1] Oops: general protection fault, probab…

  • Unscored —

    xfrm6: check ip6_dst_idev() return value in xfrm6_get_saddr()

    In the Linux kernel, the following vulnerability has been resolved: xfrm6: check ip6_dst_idev() return value in xfrm6_get_saddr() ip6_dst_idev() can return NULL, xfrm6_get_saddr() must act accordingly. syzbot reported: Oops: general protection fault, probably…

  • High 7.8

    netns: Make get_net_ns() handle zero refcount net

    In the Linux kernel, the following vulnerability has been resolved: netns: Make get_net_ns() handle zero refcount net Syzkaller hit a warning: refcount_t: addition on 0; use-after-free. WARNING: CPU: 3 PID: 7890 at lib/refcount.c:25 refcount_warn_saturate+0xd…

  • High 7.5

    seg6: fix parameter passing when calling NF_HOOK() in End.DX4 and End.DX6 behaviors

    In the Linux kernel, the following vulnerability has been resolved: seg6: fix parameter passing when calling NF_HOOK() in End.DX4 and End.DX6 behaviors input_action_end_dx4() and input_action_end_dx6() are called NF_HOOK() for PREROUTING hook, in PREROUTING h…

  • High 7.8

    dmaengine: idxd: Fix possible Use-After-Free in irq_process_work_list

    In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix possible Use-After-Free in irq_process_work_list Use list_for_each_entry_safe() to allow iterating through the list and deleting the entry in the iteration process. The d…

  • High 7.8

    net: do not leave a dangling sk pointer, when socket creation fails

    In the Linux kernel, the following vulnerability has been resolved: net: do not leave a dangling sk pointer, when socket creation fails It is possible to trigger a use-after-free by: * attaching an fentry probe to __sock_release() and the probe calling the bp…

  • High 7.9

    KVM: Fix a data race on last_boosted_vcpu in kvm_vcpu_on_spin()

    In the Linux kernel, the following vulnerability has been resolved: KVM: Fix a data race on last_boosted_vcpu in kvm_vcpu_on_spin() Use {READ,WRITE}_ONCE() to access kvm->last_boosted_vcpu to ensure the loads and stores are atomic. In the extremely unlikely s…

  • High 7.8

    ima: Avoid blocking in RCU read-side critical section

    In the Linux kernel, the following vulnerability has been resolved: ima: Avoid blocking in RCU read-side critical section A panic happens in ima_match_policy: BUG: unable to handle kernel NULL pointer dereference at 0000000000000010 PGD 42f873067 P4D 0 Oops: …

  • Unscored —

    iommu: Return right value in iommu_sva_bind_device()

    In the Linux kernel, the following vulnerability has been resolved: iommu: Return right value in iommu_sva_bind_device() iommu_sva_bind_device() should return either a sva bond handle or an ERR_PTR value in error cases. Existing drivers (idxd and uacce) only …

  • High 7.8

    ocfs2: fix races between hole punching and AIO+DIO

    In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix races between hole punching and AIO+DIO After commit "ocfs2: return real error code in ocfs2_dio_wr_get_block", fstests/generic/300 become from always failed to sometimes failed: =…

  • Unscored —

    wifi: mac80211: mesh: Fix leak of mesh_preq_queue objects

    In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: mesh: Fix leak of mesh_preq_queue objects The hwmp code use objects of type mesh_preq_queue, added to a list in ieee80211_if_mesh, to keep track of mpath we need to resolve. I…

  • High 8.1

    wifi: iwlwifi: mvm: don't read past the mfuart notifcation

    In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: don't read past the mfuart notifcation In case the firmware sends a notification that claims it has more data than it has, we will read past that was allocated for the not…

  • Critical 9.8

    gve: Clear napi->skb before dev_kfree_skb_any()

    In the Linux kernel, the following vulnerability has been resolved: gve: Clear napi->skb before dev_kfree_skb_any() gve_rx_free_skb incorrectly leaves napi->skb referencing an skb after it is freed with dev_kfree_skb_any(). This can result in a subsequent cal…

  • Unscored —

    HID: logitech-dj: Fix memory leak in logi_dj_recv_switch_to_dj_mode()

    In the Linux kernel, the following vulnerability has been resolved: HID: logitech-dj: Fix memory leak in logi_dj_recv_switch_to_dj_mode() Fix a memory leak on logi_dj_recv_send_report() error path.

  • Unscored —

    drm/exynos/vidi: fix memory leak in .get_modes()

    In the Linux kernel, the following vulnerability has been resolved: drm/exynos/vidi: fix memory leak in .get_modes() The duplicated EDID is never freed. Fix it.

  • Unscored —

    mptcp: ensure snd_una is properly initialized on connect

    In the Linux kernel, the following vulnerability has been resolved: mptcp: ensure snd_una is properly initialized on connect This is strictly related to commit fb7a0d334894 ("mptcp: ensure snd_nxt is properly initialized on connect"). It turns out that syzkal…

  • High 7.1

    wifi: iwlwifi: mvm: check n_ssids before accessing the ssids

    In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: check n_ssids before accessing the ssids In some versions of cfg80211, the ssids poinet might be a valid one even though n_ssids is 0. Accessing the pointer in this case w…

  • Unscored —

    xhci: Handle TD clearing for multiple streams case

    In the Linux kernel, the following vulnerability has been resolved: xhci: Handle TD clearing for multiple streams case When multiple streams are in use, multiple TDs might be in flight when an endpoint is stopped. We need to issue a Set TR Dequeue Pointer for…

  • Unscored —

    drm/exynos: hdmi: report safe 640x480 mode as a fallback when no EDID found

    In the Linux kernel, the following vulnerability has been resolved: drm/exynos: hdmi: report safe 640x480 mode as a fallback when no EDID found When reading EDID fails and driver reports no modes available, the DRM core adds an artificial 1024x786 mode to the…

  • Unscored —

    mm/huge_memory: don't unpoison huge_zero_folio

    In the Linux kernel, the following vulnerability has been resolved: mm/huge_memory: don't unpoison huge_zero_folio When I did memory failure tests recently, below panic occurs: kernel BUG at include/linux/mm.h:1135! invalid opcode: 0000 [#1] PREEMPT SMP NOPTI…

  • Unscored —

    riscv: rewrite __kernel_map_pages() to fix sleeping in invalid context

    In the Linux kernel, the following vulnerability has been resolved: riscv: rewrite __kernel_map_pages() to fix sleeping in invalid context __kernel_map_pages() is a debug function which clears the valid bit in page table entry for deallocated pages to detect …

  • Unscored —

    wifi: mac80211: Fix deadlock in ieee80211_sta_ps_deliver_wakeup()

    In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Fix deadlock in ieee80211_sta_ps_deliver_wakeup() The ieee80211_sta_ps_deliver_wakeup() function takes sta->ps_lock to synchronizes with ieee80211_tx_h_unicast_ps_buf() which …