Skip to content
OpenAdvisories

Summary

Ein lokaler Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen.

Product

Der Kernel stellt den Kern des Linux Betriebssystems dar.

Vulnerabilities 20

  • High 7.8

    fs/proc/task_mmu: prevent integer overflow in pagemap_scan_get_args()

    In the Linux kernel, the following vulnerability has been resolved: fs/proc/task_mmu: prevent integer overflow in pagemap_scan_get_args() The "arg->vec_len" variable is a u64 that comes from the user at the start of the function. The "arg->vec_len * sizeof(st…

  • High 7.8

    nommu: pass NULL argument to vma_iter_prealloc()

    In the Linux kernel, the following vulnerability has been resolved: nommu: pass NULL argument to vma_iter_prealloc() When deleting a vma entry from a maple tree, it has to pass NULL to vma_iter_prealloc() in order to calculate internal state of the tree, but …

  • High 7.8

    net/mlx5: fs, lock FTE when checking if active

    In the Linux kernel, the following vulnerability has been resolved: net/mlx5: fs, lock FTE when checking if active The referenced commits introduced a two-step process for deleting FTEs: - Lock the FTE, delete it from hardware, set the hardware deletion funct…

  • High 7.5

    net/mlx5e: CT: Fix null-ptr-deref in add rule err flow

    In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: CT: Fix null-ptr-deref in add rule err flow In error flow of mlx5_tc_ct_entry_add_rule(), in case ct_rule_add() callback returns error, zone_rule->attr is used uninitiated. Fix it …

  • High 7.5

    mptcp: cope racing subflow creation in mptcp_rcv_space_adjust

    In the Linux kernel, the following vulnerability has been resolved: mptcp: cope racing subflow creation in mptcp_rcv_space_adjust Additional active subflows - i.e. created by the in kernel path manager - are included into the subflow list before starting the …

  • High 7.5

    net: fix data-races around sk->sk_forward_alloc

    In the Linux kernel, the following vulnerability has been resolved: net: fix data-races around sk->sk_forward_alloc Syzkaller reported this warning: ------------[ cut here ]------------ WARNING: CPU: 0 PID: 16 at net/ipv4/af_inet.c:156 inet_sock_destruct+0x1c…

  • High 7.3

    ima: fix buffer overrun in ima_eventdigest_init_common

    In the Linux kernel, the following vulnerability has been resolved: ima: fix buffer overrun in ima_eventdigest_init_common Function ima_eventdigest_init() calls ima_eventdigest_init_common() with HASH_ALGO__LAST which is then used to access the array hash_dig…

  • High 7.3

    drm/amd/display: Adjust VSDB parser for replay feature

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Adjust VSDB parser for replay feature At some point, the IEEE ID identification for the replay check in the AMD EDID was added. However, this check causes the following out-o…

  • High 7.3

    vp_vdpa: fix id_table array not null terminated error

    In the Linux kernel, the following vulnerability has been resolved: vp_vdpa: fix id_table array not null terminated error Allocate one extra virtio_device_id as null terminator, otherwise vdpa_mgmtdev_get_classes() may iterate multiple times and visit undefin…

  • High 7.1

    mm/mremap: fix address wraparound in move_page_tables()

    In the Linux kernel, the following vulnerability has been resolved: mm/mremap: fix address wraparound in move_page_tables() On 32-bit platforms, it is possible for the expression `len + old_addr < old_end` to be false-positive if `len + old_addr` wraps around…

  • Medium 5.5

    mm: page_alloc: move mlocked flag clearance into free_pages_prepare()

    In the Linux kernel, the following vulnerability has been resolved: mm: page_alloc: move mlocked flag clearance into free_pages_prepare() Syzbot reported a bad page state problem caused by a page being freed using free_page() still having a mlocked flag at fr…

  • Medium 5.5

    x86/CPU/AMD: Clear virtualized VMLOAD/VMSAVE on Zen4 client

    In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Clear virtualized VMLOAD/VMSAVE on Zen4 client A number of Zen4 client SoCs advertise the ability to use virtualized VMLOAD/VMSAVE, but using these instructions is reported to be…

  • Medium 5.5

    drm/vmwgfx: avoid null_ptr_deref in vmw_framebuffer_surface_create_handle

    In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: avoid null_ptr_deref in vmw_framebuffer_surface_create_handle The 'vmw_user_object_buffer' function may return NULL with incorrect inputs. To avoid possible null pointer dereferen…

  • Medium 5.5

    drm/panthor: Fix handling of partial GPU mapping of BOs

    In the Linux kernel, the following vulnerability has been resolved: drm/panthor: Fix handling of partial GPU mapping of BOs This commit fixes the bug in the handling of partial mapping of the buffer objects to the GPU, which caused kernel warnings. Panthor di…

  • Medium 5.5

    virtio/vsock: Improve MSG_ZEROCOPY error handling

    In the Linux kernel, the following vulnerability has been resolved: virtio/vsock: Improve MSG_ZEROCOPY error handling Add a missing kfree_skb() to prevent memory leaks.

  • Medium 5.5

    vsock: Fix sk_error_queue memory leak

    In the Linux kernel, the following vulnerability has been resolved: vsock: Fix sk_error_queue memory leak Kernel queues MSG_ZEROCOPY completion notifications on the error queue. Where they remain, until explicitly recv()ed. To prevent memory leaks, clean up t…

  • Medium 5.5

    mptcp: error out earlier on disconnect

    In the Linux kernel, the following vulnerability has been resolved: mptcp: error out earlier on disconnect Eric reported a division by zero splat in the MPTCP protocol: Oops: divide error: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 UID: 0 PID: 6094 Comm: syz-exec…

  • Unscored —

    ocfs2: uncache inode which has failed entering the group

    In the Linux kernel, the following vulnerability has been resolved: ocfs2: uncache inode which has failed entering the group Syzbot has reported the following BUG: kernel BUG at fs/ocfs2/uptodate.c:509! ... Call Trace: <TASK> ? __die_body+0x5f/0xb0 ? die+0x9e…

  • Unscored —

    mm: fix NULL pointer dereference in alloc_pages_bulk_noprof

    In the Linux kernel, the following vulnerability has been resolved: mm: fix NULL pointer dereference in alloc_pages_bulk_noprof We triggered a NULL pointer dereference for ac.preferred_zoneref->zone in alloc_pages_bulk_noprof() when the task is migrated betwe…

  • Unscored —

    virtio/vsock: Fix accept_queue memory leak

    In the Linux kernel, the following vulnerability has been resolved: virtio/vsock: Fix accept_queue memory leak As the final stages of socket destruction may be delayed, it is possible that virtio_transport_recv_listen() will be called after the accept_queue h…

Revision history

  1. #85

    Neue Updates von Siemens aufgenommen

  2. #84

    Neue Updates von Ubuntu aufgenommen

  3. #83

    Neue Updates von Ubuntu aufgenommen

  4. #82

    Neue Updates von Ubuntu aufgenommen

  5. #81

    Neue Updates von Ubuntu aufgenommen

  6. #80

    Neue Updates von Ubuntu aufgenommen

  7. #79

    Neue Updates von Ubuntu aufgenommen

  8. #78

    Neue Updates von Ubuntu aufgenommen

  9. #77

    Neue Updates von SUSE aufgenommen

  10. #76

    Neue Updates von SUSE aufgenommen

  11. #75

    Neue Updates von Ubuntu aufgenommen

  12. #74

    Neue Updates von Ubuntu aufgenommen

  13. #73

    Neue Updates von Red Hat aufgenommen

  14. #72

    Neue Updates von Ubuntu aufgenommen

  15. #71

    Neue Updates von Ubuntu aufgenommen

  16. #70

    Neue Updates von Ubuntu aufgenommen

  17. #69

    Neue Updates von Oracle Linux aufgenommen

  18. #68

    Neue Updates von Rocky Enterprise Software Foundation aufgenommen

  19. #67

    Neue Updates von Ubuntu aufgenommen

  20. #66

    Neue Updates von Red Hat aufgenommen

  21. #65

    Neue Updates von Ubuntu aufgenommen

  22. #64

    Neue Updates von Ubuntu aufgenommen

  23. #63

    Neue Updates von Oracle Linux aufgenommen

  24. #62

    Referenz(en) aufgenommen:

  25. #61

    Neue Updates von Ubuntu aufgenommen

References