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Huawei EulerOS: CVE-2024-46715: kernel security update

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Huawei EulerOS: CVE-2024-46715: kernel security update

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
09/18/2024
Created
12/13/2024
Added
12/12/2024
Modified
01/30/2025

Description

In the Linux kernel, the following vulnerability has been resolved: driver: iio: add missing checks on iio_info's callback access Some callbacks from iio_info structure are accessed without any check, so if a driver doesn't implement them trying to access the corresponding sysfs entries produce a kernel oops such as: [ 2203.527791] Unable to handle kernel NULL pointer dereference at virtual address 00000000 when execute [...] [ 2203.783416] Call trace: [ 2203.783429]iio_read_channel_info_avail from dev_attr_show+0x18/0x48 [ 2203.789807]dev_attr_show from sysfs_kf_seq_show+0x90/0x120 [ 2203.794181]sysfs_kf_seq_show from seq_read_iter+0xd0/0x4e4 [ 2203.798555]seq_read_iter from vfs_read+0x238/0x2a0 [ 2203.802236]vfs_read from ksys_read+0xa4/0xd4 [ 2203.805385]ksys_read from ret_fast_syscall+0x0/0x54 [ 2203.809135] Exception stack(0xe0badfa8 to 0xe0badff0) [ 2203.812880] dfa0: 00000003 b6f10f80 00000003 b6eab000 00020000 00000000 [ 2203.819746] dfc0: 00000003 b6f10f80 7ff00000 00000003 00000003 00000000 00020000 00000000 [ 2203.826619] dfe0: b6e1bc88 bed80958 b6e1bc94 b6e1bcb0 [ 2203.830363] Code: bad PC value [ 2203.832695] ---[ end trace 0000000000000000 ]---

Solution(s)

  • huawei-euleros-2_0_sp11-upgrade-bpftool
  • huawei-euleros-2_0_sp11-upgrade-kernel
  • huawei-euleros-2_0_sp11-upgrade-kernel-abi-stablelists
  • huawei-euleros-2_0_sp11-upgrade-kernel-tools
  • huawei-euleros-2_0_sp11-upgrade-kernel-tools-libs
  • huawei-euleros-2_0_sp11-upgrade-python3-perf

References

  • https://attackerkb.com/topics/cve-2024-46715
  • CVE - 2024-46715
  • EulerOS-SA-2024-2983
  • 查看数 695
  • 已创建
  • 最后回复

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