SB2024121360 - openEuler 20.03 LTS SP4 update for kernel

Description

This security bulletin contains information about 8 secuirty vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2024-50150)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the typec_altmode_release() and typec_register_altmode() functions in drivers/usb/typec/class.c. A local user can escalate privileges on the system.

2) Use-after-free (CVE-ID: CVE-2024-50199)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the unuse_mm() function in mm/swapfile.c. A local user can escalate privileges on the system.

3) Improper locking (CVE-ID: CVE-2024-50210)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the pc_clock_settime() function in kernel/time/posix-clock.c. A local user can perform a denial of service (DoS) attack.

4) Use-after-free (CVE-ID: CVE-2024-50267)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the edge_bulk_out_data_callback() and edge_bulk_out_cmd_callback() functions in drivers/usb/serial/io_edgeport.c. A local user can escalate privileges on the system.

5) Out-of-bounds read (CVE-ID: CVE-2024-50278)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to an out-of-bounds read error within the get_cache_dev_size() and cache_preresume() functions in drivers/md/dm-cache-target.c. A local user can perform a denial of service (DoS) attack.

6) Division by zero (CVE-ID: CVE-2024-50287)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a division by zero error within the tpg_precalculate_line() function in drivers/media/common/v4l2-tpg/v4l2-tpg-core.c. A local user can perform a denial of service (DoS) attack.

7) Memory leak (CVE-ID: CVE-2024-50302)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the hid_alloc_report_buf() function in drivers/hid/hid-core.c. A local user can perform a denial of service (DoS) attack.

Note, the vulnerability is being actively exploited in the wild against Android devices.

8) Out-of-bounds write (CVE-ID: CVE-2024-53104)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to an out-of-bounds read error within the uvc_parse_format() function in drivers/media/usb/uvc/uvc_driver.c. A local user can trigger an out-of-bounds write and execute arbitrary code on the system.

Note, the vulnerability is being actively exploited in the wild.

Remediation

Install update from vendor's website.

References

• https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-2535