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Sicherheitslücken in linux-intel-iotg-5.15 · Seite 60

In den letzten 30 Tagen veröffentlichte Sicherheitslücken für linux-intel-iotg-5.15: 0. Davon im KEV-Katalog: 0.

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  1. CVE-2022-50082

    Hoch · CVSS 7EPSS 0,19%Korrektur verfügbar

    ext4: fix warning in ext4_iomap_begin as race between bmap and write

    In the Linux kernel, the following vulnerability has been resolved: ext4: fix warning in ext4_iomap_begin as race between bmap and write We got issue as follows: ------------[ cut here ]------------ WARNING: CPU: 3 PID: 9310 at fs/ext4/inode.c:3441 ext4_iomap_begin+0x182/0x5d0 RIP: 0010:ext4_iomap_begin+0x182/0x5d0 RSP: 0018:ffff88812460fa08 EFLAGS: 00010293 RAX: ffff88811f168000 RBX: 0000000000000000 RCX: ffffffff97793c12 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: ffff88812c669160 R08: ffff88811f168000 R09: ffffed10258cd20f R10: ffff88812c669077 R11: ffffed10258cd20e R12: 0000000000000001 R13: 00000000000000a4 R

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  2. CVE-2022-50080

    Mittel · CVSS 5.5EPSS 0,27%Korrektur verfügbar

    tee: add overflow check in register_shm_helper()

    In the Linux kernel, the following vulnerability has been resolved: tee: add overflow check in register_shm_helper() With special lengths supplied by user space, register_shm_helper() has an integer overflow when calculating the number of pages covered by a supplied user space memory region. This causes internal_get_user_pages_fast() a helper function of pin_user_pages_fast() to do a NULL pointer dereference: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000010 Modules linked in: CPU: 1 PID: 173 Comm: optee_example_a Not tainted 5.19.0 #11 Hardware name: QEMU QEMU Virtual Machine, BIOS 0.0.0 02/06/2

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  3. CVE-2022-50079

    Hoch · CVSS 7EPSS 0,27%Korrektur verfügbar

    drm/amd/display: Check correct bounds for stream encoder instances for DCN303

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check correct bounds for stream encoder instances for DCN303 [Why & How] eng_id for DCN303 cannot be more than 1, since we have only two instances of stream encoders. Check the correct boundary condition for engine ID for DCN303 prevent the potential out of bounds access.

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  4. CVE-2022-50078

    Mittel · CVSS 5.5EPSS 0,24%Korrektur verfügbar

    tracing/eprobes: Do not allow eprobes to use $stack, or % for regs

    In the Linux kernel, the following vulnerability has been resolved: tracing/eprobes: Do not allow eprobes to use $stack, or % for regs While playing with event probes (eprobes), I tried to see what would happen if I attempted to retrieve the instruction pointer (%rip) knowing that event probes do not use pt_regs. The result was: BUG: kernel NULL pointer dereference, address: 0000000000000024 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP PTI CPU: 1 PID: 1847 Comm: trace-cmd Not tainted 5.19.0-rc5-test+ #309 Hardware name: Hewlett-Packard HP Compaq Pro 630

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  5. CVE-2022-50077

    Mittel · CVSS 5.5EPSS 0,19%Korrektur verfügbar

    apparmor: fix reference count leak in aa_pivotroot()

    In the Linux kernel, the following vulnerability has been resolved: apparmor: fix reference count leak in aa_pivotroot() The aa_pivotroot() function has a reference counting bug in a specific path. When aa_replace_current_label() returns on success, the function forgets to decrement the reference count of “target”, which is increased earlier by build_pivotroot(), causing a reference leak. Fix it by decreasing the refcount of “target” in that path.

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  6. CVE-2022-50076

    Mittel · CVSS 5.5EPSS 0,19%Korrektur verfügbar

    cifs: Fix memory leak on the deferred close

    In the Linux kernel, the following vulnerability has been resolved: cifs: Fix memory leak on the deferred close xfstests on smb21 report kmemleak as below: unreferenced object 0xffff8881767d6200 (size 64): comm "xfs_io", pid 1284, jiffies 4294777434 (age 20.789s) hex dump (first 32 bytes): 80 5a d0 11 81 88 ff ff 78 8a aa 63 81 88 ff ff .Z......x..c.... 00 71 99 76 81 88 ff ff 00 00 00 00 00 00 00 00 .q.v............ backtrace: [<00000000ad04e6ea>] cifs_close+0x92/0x2c0 [<0000000028b93c82>] __fput+0xff/0x3f0 [<00000000d8116851>] task_work_run+0x85/0xc0 [<0000000027e14f9e>] do_exit+0x5e5/0

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  7. CVE-2022-50075

    Mittel · CVSS 5.5EPSS 0,19%Korrektur verfügbar

    tracing/eprobes: Have event probes be consistent with kprobes and uprobes

    In the Linux kernel, the following vulnerability has been resolved: tracing/eprobes: Have event probes be consistent with kprobes and uprobes Currently, if a symbol "@" is attempted to be used with an event probe (eprobes), it will cause a NULL pointer dereference crash. Both kprobes and uprobes can reference data other than the main registers. Such as immediate address, symbols and the current task name. Have eprobes do the same thing. For "comm", if "comm" is used and the event being attached to does not have the "comm" field, then make it the "$comm" that kprobes has. This is consistent to the way histograms and filters work.

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  8. CVE-2022-50074

    Mittel · CVSS 5.5EPSS 0,19%Korrektur verfügbar

    apparmor: Fix memleak in aa_simple_write_to_buffer()

    In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix memleak in aa_simple_write_to_buffer() When copy_from_user failed, the memory is freed by kvfree. however the management struct and data blob are allocated independently, so only kvfree(data) cause a memleak issue here. Use aa_put_loaddata(data) to fix this issue.

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  9. CVE-2022-50072

    Hoch · CVSS 7.8EPSS 0,2%Korrektur verfügbar

    NFSv4/pnfs: Fix a use-after-free bug in open

    In the Linux kernel, the following vulnerability has been resolved: NFSv4/pnfs: Fix a use-after-free bug in open If someone cancels the open RPC call, then we must not try to free either the open slot or the layoutget operation arguments, since they are likely still in use by the hung RPC call.

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  10. CVE-2022-50069

    Mittel · CVSS 5.5EPSS 0,24%Korrektur verfügbar

    BPF: Fix potential bad pointer dereference in bpf_sys_bpf()

    In the Linux kernel, the following vulnerability has been resolved: BPF: Fix potential bad pointer dereference in bpf_sys_bpf() The bpf_sys_bpf() helper function allows an eBPF program to load another eBPF program from within the kernel. In this case the argument union bpf_attr pointer (as well as the insns and license pointers inside) is a kernel address instead of a userspace address (which is the case of a usual bpf() syscall). To make the memory copying process in the syscall work in both cases, bpfptr_t was introduced to wrap around the pointer and distinguish its origin. Specifically, when copying memory contents from a bpfptr_t, a co

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  11. CVE-2022-50068

    Mittel · CVSS 5.5EPSS 0,24%Korrektur verfügbar

    drm/ttm: Fix dummy res NULL ptr deref bug

    In the Linux kernel, the following vulnerability has been resolved: drm/ttm: Fix dummy res NULL ptr deref bug Check the bo->resource value before accessing the resource mem_type. v2: Fix commit description unwrapped warning <log snip> [ 40.191227][ T184] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] SMP KASAN PTI [ 40.192995][ T184] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] [ 40.194411][ T184] CPU: 1 PID: 184 Comm: systemd-udevd Not tainted 5.19.0-rc4-00721-gb297c22b7070 #1 [ 40.196063][ T184] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1

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  12. CVE-2022-50067

    Hoch · CVSS 7.8EPSS 0,23%Korrektur verfügbar

    btrfs: unset reloc control if transaction commit fails in prepare_to_relocate()

    In the Linux kernel, the following vulnerability has been resolved: btrfs: unset reloc control if transaction commit fails in prepare_to_relocate() In btrfs_relocate_block_group(), the rc is allocated. Then btrfs_relocate_block_group() calls relocate_block_group() prepare_to_relocate() set_reloc_control() that assigns rc to the variable fs_info->reloc_ctl. When prepare_to_relocate() returns, it calls btrfs_commit_transaction() btrfs_start_dirty_block_groups() btrfs_alloc_path() kmem_cache_zalloc() which may fail for example (or other errors could happen). When the failure occurs, btrfs_relocate_block_group() detects t

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  13. CVE-2022-50066

    Hoch · CVSS 7.8EPSS 0,2%Korrektur verfügbar

    net: atlantic: fix aq_vec index out of range error

    In the Linux kernel, the following vulnerability has been resolved: net: atlantic: fix aq_vec index out of range error The final update statement of the for loop exceeds the array range, the dereference of self->aq_vec[i] is not checked and then leads to the index out of range error. Also fixed this kind of coding style in other for loop. [ 97.937604] UBSAN: array-index-out-of-bounds in drivers/net/ethernet/aquantia/atlantic/aq_nic.c:1404:48 [ 97.937607] index 8 is out of range for type 'aq_vec_s *[8]' [ 97.937608] CPU: 38 PID: 3767 Comm: kworker/u256:18 Not tainted 5.19.0+ #2 [ 97.937610] Hardware name: Dell Inc. Precision 7865 To

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  14. CVE-2022-50065

    Mittel · CVSS 5.5EPSS 0,19%Korrektur verfügbar

    virtio_net: fix memory leak inside XPD_TX with mergeable

    In the Linux kernel, the following vulnerability has been resolved: virtio_net: fix memory leak inside XPD_TX with mergeable When we call xdp_convert_buff_to_frame() to get xdpf, if it returns NULL, we should check if xdp_page was allocated by xdp_linearize_page(). If it is newly allocated, it should be freed here alone. Just like any other "goto err_xdp".

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  15. CVE-2022-50062

    Hoch · CVSS 7.5EPSS 0,44%Korrektur verfügbar

    net: bgmac: Fix a BUG triggered by wrong bytes_compl

    In the Linux kernel, the following vulnerability has been resolved: net: bgmac: Fix a BUG triggered by wrong bytes_compl On one of our machines we got: kernel BUG at lib/dynamic_queue_limits.c:27! Internal error: Oops - BUG: 0 [#1] PREEMPT SMP ARM CPU: 0 PID: 1166 Comm: irq/41-bgmac Tainted: G W O 4.14.275-rt132 #1 Hardware name: BRCM XGS iProc task: ee3415c0 task.stack: ee32a000 PC is at dql_completed+0x168/0x178 LR is at bgmac_poll+0x18c/0x6d8 pc : [<c03b9430>] lr : [<c04b5a18>] psr: 800a0313 sp : ee32be14 ip : 000005ea fp : 00000bd4 r10: ee558500 r9 : c0116298 r8 : 00000002 r7 : 00000000 r6 : ef128810 r5 : 0199326

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  16. CVE-2022-50061

    Mittel · CVSS 5.5EPSS 0,19%Korrektur verfügbar

    pinctrl: nomadik: Fix refcount leak in nmk_pinctrl_dt_subnode_to_map

    In the Linux kernel, the following vulnerability has been resolved: pinctrl: nomadik: Fix refcount leak in nmk_pinctrl_dt_subnode_to_map of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak."

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  17. CVE-2022-50060

    Mittel · CVSS 5.5EPSS 0,19%Korrektur verfügbar

    octeontx2-af: Fix mcam entry resource leak

    In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: Fix mcam entry resource leak The teardown sequence in FLR handler returns if no NIX LF is attached to PF/VF because it indicates that graceful shutdown of resources already happened. But there is a chance of all allocated MCAM entries not being freed by PF/VF. Hence free mcam entries even in case of detached LF.

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  18. CVE-2022-50059

    Hoch · CVSS 7.5EPSS 0,44%Korrektur verfügbar

    ceph: don't leak snap_rwsem in handle_cap_grant

    In the Linux kernel, the following vulnerability has been resolved: ceph: don't leak snap_rwsem in handle_cap_grant When handle_cap_grant is called on an IMPORT op, then the snap_rwsem is held and the function is expected to release it before returning. It currently fails to do that in all cases which could lead to a deadlock.

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  19. CVE-2022-50057

    Mittel · CVSS 5.5EPSS 0,19%Korrektur verfügbar

    fs/ntfs3: Fix NULL deref in ntfs_update_mftmirr

    In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix NULL deref in ntfs_update_mftmirr If ntfs_fill_super() wasn't called then sbi->sb will be equal to NULL. Code should check this ptr before dereferencing. Syzbot hit this issue via passing wrong mount param as can be seen from log below Fail log: ntfs3: Unknown parameter 'iochvrset' general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] CPU: 1 PID: 3589 Comm: syz-executor210 Not tainted 5.18.0-rc3-syzkaller-00016-gb253435746d9 #0 ... Cal

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  20. CVE-2022-50056

    Mittel · CVSS 5.5EPSS 0,19%Korrektur verfügbar

    fs/ntfs3: Fix missing i_op in ntfs_read_mft

    In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix missing i_op in ntfs_read_mft There is null pointer dereference because i_op == NULL. The bug happens because we don't initialize i_op for records in $Extend.

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