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Package · Ubuntu

linux-kvm

12,406 known vulnerabilities.

12,260 results · Feed

  • High 8.8

    ax25: Fix refcount imbalance on inbound connections

    In the Linux kernel, the following vulnerability has been resolved: ax25: Fix refcount imbalance on inbound connections When releasing a socket in ax25_release(), we call netdev_put() to decrease the refcount on the associated ax.25 device. However, the execu…

  • High 8.8

    wifi: cfg80211: Lock wiphy in cfg80211_get_station

    In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: Lock wiphy in cfg80211_get_station Wiphy should be locked before calling rdev_get_station() (see lockdep assert in ieee80211_get_station()). This fixes the following kernel NU…

  • Unscored —

    bpf: Set run context for rawtp test_run callback

    In the Linux kernel, the following vulnerability has been resolved: bpf: Set run context for rawtp test_run callback syzbot reported crash when rawtp program executed through the test_run interface calls bpf_get_attach_cookie helper or any other helper that t…

  • Unscored —

    USB: class: cdc-wdm: Fix CPU lockup caused by excessive log messages

    In the Linux kernel, the following vulnerability has been resolved: USB: class: cdc-wdm: Fix CPU lockup caused by excessive log messages The syzbot fuzzer found that the interrupt-URB completion callback in the cdc-wdm driver was taking too long, and the driv…

  • Unscored —

    ipv6: fix possible race in __fib6_drop_pcpu_from()

    In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible race in __fib6_drop_pcpu_from() syzbot found a race in __fib6_drop_pcpu_from() [1] If compiler reads more than once (*ppcpu_rt), second read could read NULL, if another cpu…

  • High 7.8

    jfs: xattr: fix buffer overflow for invalid xattr

    In the Linux kernel, the following vulnerability has been resolved: jfs: xattr: fix buffer overflow for invalid xattr When an xattr size is not what is expected, it is printed out to the kernel log in hex format as a form of debugging. But when that xattr siz…

  • High 7.3

    scsi: mpt3sas: Avoid test/set_bit() operating in non-allocated memory

    In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Avoid test/set_bit() operating in non-allocated memory There is a potential out-of-bounds access when using test_bit() on a single word. The test_bit() and set_bit() functions …

  • Unscored —

    HID: core: remove unnecessary WARN_ON() in implement()

    In the Linux kernel, the following vulnerability has been resolved: HID: core: remove unnecessary WARN_ON() in implement() Syzkaller hit a warning [1] in a call to implement() when trying to write a value into a field of smaller size in an output report. Sinc…

  • High 7.8

    io_uring/io-wq: Use set_bit() and test_bit() at worker->flags

    In the Linux kernel, the following vulnerability has been resolved: io_uring/io-wq: Use set_bit() and test_bit() at worker->flags Utilize set_bit() and test_bit() on worker->flags within io_uring/io-wq to address potential data races. The structure io_worker-…

  • High 7.0

    net: hns3: fix kernel crash problem in concurrent scenario

    In the Linux kernel, the following vulnerability has been resolved: net: hns3: fix kernel crash problem in concurrent scenario When link status change, the nic driver need to notify the roce driver to handle this event, but at this time, the roce driver may u…

  • Unscored —

    liquidio: Adjust a NULL pointer handling path in lio_vf_rep_copy_packet

    In the Linux kernel, the following vulnerability has been resolved: liquidio: Adjust a NULL pointer handling path in lio_vf_rep_copy_packet In lio_vf_rep_copy_packet() pg_info->page is compared to a NULL value, but then it is unconditionally passed to skb_add…

  • Unscored —

    drm/komeda: check for error-valued pointer

    In the Linux kernel, the following vulnerability has been resolved: drm/komeda: check for error-valued pointer komeda_pipeline_get_state() may return an error-valued pointer, thus check the pointer for negative or null value before dereferencing.

  • High 7.8

    netfilter: ipset: Fix race between namespace cleanup and gc in the list:set type

    In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Fix race between namespace cleanup and gc in the list:set type Lion Ackermann reported that there is a race condition between namespace cleanup in ipset and the garbage coll…

  • High 7.8

    ionic: fix use after netif_napi_del()

    In the Linux kernel, the following vulnerability has been resolved: ionic: fix use after netif_napi_del() When queues are started, netif_napi_add() and napi_enable() are called. If there are 4 queues and only 3 queues are used for the current configuration, o…

  • High 7.8

    sock_map: avoid race between sock_map_close and sk_psock_put

    In the Linux kernel, the following vulnerability has been resolved: sock_map: avoid race between sock_map_close and sk_psock_put sk_psock_get will return NULL if the refcount of psock has gone to 0, which will happen when the last call of sk_psock_put is done…

  • Unscored —

    vmci: prevent speculation leaks by sanitizing event in event_deliver()

    In the Linux kernel, the following vulnerability has been resolved: vmci: prevent speculation leaks by sanitizing event in event_deliver() Coverity spotted that event_msg is controlled by user-space, event_msg->event_data.event is passed to event_deliver() an…

  • Unscored —

    drm/shmem-helper: Fix BUG_ON() on mmap(PROT_WRITE, MAP_PRIVATE)

    In the Linux kernel, the following vulnerability has been resolved: drm/shmem-helper: Fix BUG_ON() on mmap(PROT_WRITE, MAP_PRIVATE) Lack of check for copy-on-write (COW) mapping in drm_gem_shmem_mmap allows users to call mmap with PROT_WRITE and MAP_PRIVATE f…

  • High 7.8

    btrfs: zoned: fix use-after-free due to race with dev replace

    In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: fix use-after-free due to race with dev replace While loading a zone's info during creation of a block group, we can race with a device replace operation and then trigger a use-…

  • High 7.8

    greybus: Fix use-after-free bug in gb_interface_release due to race condition.

    In the Linux kernel, the following vulnerability has been resolved: greybus: Fix use-after-free bug in gb_interface_release due to race condition. In gb_interface_create, &intf->mode_switch_completion is bound with gb_interface_mode_switch_work. Then it will …

  • High 7.8

    ima: Fix use-after-free on a dentry's dname.name

    In the Linux kernel, the following vulnerability has been resolved: ima: Fix use-after-free on a dentry's dname.name ->d_name.name can change on rename and the earlier value can be freed; there are conditions sufficient to stabilize it (->d_lock on dentry, ->…

  • Unscored —

    crypto: qat - Fix ADF_DEV_RESET_SYNC memory leak

    In the Linux kernel, the following vulnerability has been resolved: crypto: qat - Fix ADF_DEV_RESET_SYNC memory leak Using completion_done to determine whether the caller has gone away only works after a complete call. Furthermore it's still possible that the…

  • Medium 6.2

    ipv6: sr: fix missing sk_buff release in seg6_input_core

    In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: fix missing sk_buff release in seg6_input_core The seg6_input() function is responsible for adding the SRH into a packet, delegating the operation to the seg6_input_core(). This fun…

  • Unscored —

    arm64: asm-bug: Add .align 2 to the end of __BUG_ENTRY

    In the Linux kernel, the following vulnerability has been resolved: arm64: asm-bug: Add .align 2 to the end of __BUG_ENTRY When CONFIG_DEBUG_BUGVERBOSE=n, we fail to add necessary padding bytes to bug_table entries, and as a result the last entry in a bug tab…

  • Unscored —

    ipv6: sr: fix memleak in seg6_hmac_init_algo

    In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: fix memleak in seg6_hmac_init_algo seg6_hmac_init_algo returns without cleaning up the previous allocations if one fails, so it's going to leak all that memory and the crypto tfms. …

  • High 7.1

    bonding: Fix out-of-bounds read in bond_option_arp_ip_targets_set()

    In the Linux kernel, the following vulnerability has been resolved: bonding: Fix out-of-bounds read in bond_option_arp_ip_targets_set() In function bond_option_arp_ip_targets_set(), if newval->string is an empty string, newval->string+1 will point to the byte…

  • Unscored —

    mmc: davinci: Don't strip remove function when driver is builtin

    In the Linux kernel, the following vulnerability has been resolved: mmc: davinci: Don't strip remove function when driver is builtin Using __exit for the remove function results in the remove callback being discarded with CONFIG_MMC_DAVINCI=y. When such a dev…

  • High 8.4

    kdb: Fix buffer overflow during tab-complete

    In the Linux kernel, the following vulnerability has been resolved: kdb: Fix buffer overflow during tab-complete Currently, when the user attempts symbol completion with the Tab key, kdb will use strncpy() to insert the completed symbol into the command buffe…

  • Unscored —

    md/raid5: fix deadlock that raid5d() wait for itself to clear MD_SB_CHANGE_PENDING

    In the Linux kernel, the following vulnerability has been resolved: md/raid5: fix deadlock that raid5d() wait for itself to clear MD_SB_CHANGE_PENDING Xiao reported that lvm2 test lvconvert-raid-takeover.sh can hang with small possibility, the root cause is e…

  • Unscored —

    fbdev: savage: Handle err return when savagefb_check_var failed

    In the Linux kernel, the following vulnerability has been resolved: fbdev: savage: Handle err return when savagefb_check_var failed The commit 04e5eac8f3ab("fbdev: savage: Error out if pixclock equals zero") checks the value of pixclock to avoid divide-by-zer…

  • High 7.3

    xfs: fix log recovery buffer allocation for the legacy h_size fixup

    In the Linux kernel, the following vulnerability has been resolved: xfs: fix log recovery buffer allocation for the legacy h_size fixup Commit a70f9fe52daa ("xfs: detect and handle invalid iclog size set by mkfs") added a fixup for incorrect h_size values use…

  • High 7.5

    The IPv6 implementation in the Linux kernel before 6.3 has a net/ipv6/route.c max_size threshold that can be consumed e…

  • High 7.8

    drm/amdgpu: add error handle to avoid out-of-bounds

    In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: add error handle to avoid out-of-bounds if the sdma_v4_0_irq_id_to_seq return -EINVAL, the process should be stop to avoid out-of-bounds read, so directly return -EINVAL.

  • High 7.1

    nilfs2: fix nilfs_empty_dir() misjudgment and long loop on I/O errors

    In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix nilfs_empty_dir() misjudgment and long loop on I/O errors The error handling in nilfs_empty_dir() when a directory folio/page read fails is incorrect, as in the old ext2 implement…

  • High 7.5

    smb: client: fix deadlock in smb2_find_smb_tcon()

    In the Linux kernel, the following vulnerability has been resolved: smb: client: fix deadlock in smb2_find_smb_tcon() Unlock cifs_tcp_ses_lock before calling cifs_put_smb_ses() to avoid such deadlock.

  • High 7.8

    f2fs: fix to do sanity check on i_xattr_nid in sanity_check_inode()

    In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on i_xattr_nid in sanity_check_inode() syzbot reports a kernel bug as below: F2FS-fs (loop0): Mounted with checkpoint version = 48b305e4 =========================…

  • Unscored —

    thermal/drivers/qcom/lmh: Check for SCM availability at probe

    In the Linux kernel, the following vulnerability has been resolved: thermal/drivers/qcom/lmh: Check for SCM availability at probe Up until now, the necessary scm availability check has not been performed, leading to possible null pointer dereferences (which d…

  • High 7.8

    9p: add missing locking around taking dentry fid list

    In the Linux kernel, the following vulnerability has been resolved: 9p: add missing locking around taking dentry fid list Fix a use-after-free on dentry's d_fsdata fid list when a thread looks up a fid through dentry while another thread unlinks it: UAF threa…

  • Unscored —

    net/9p: fix uninit-value in p9_client_rpc()

    In the Linux kernel, the following vulnerability has been resolved: net/9p: fix uninit-value in p9_client_rpc() Syzbot with the help of KMSAN reported the following error: BUG: KMSAN: uninit-value in trace_9p_client_res include/trace/events/9p.h:146 [inline] …

  • Medium 5.5

    ext4: fix mb_cache_entry's e_refcnt leak in ext4_xattr_block_cache_find()

    In the Linux kernel, the following vulnerability has been resolved: ext4: fix mb_cache_entry's e_refcnt leak in ext4_xattr_block_cache_find() Syzbot reports a warning as follows: ============================================ WARNING: CPU: 0 PID: 5075 at fs/mbc…

  • Unscored —

    s390/ap: Fix crash in AP internal function modify_bitmap()

    In the Linux kernel, the following vulnerability has been resolved: s390/ap: Fix crash in AP internal function modify_bitmap() A system crash like this Failing address: 200000cb7df6f000 TEID: 200000cb7df6f403 Fault in home space mode while using kernel ASCE. …