SB2024112612 - Red Hat Enterprise Linux 9 update for kernel
Published: November 26, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Input validation error (CVE-ID: CVE-2024-41009)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the __aligned(), bpf_ringbuf_alloc(), bpf_ringbuf_restore_from_rec() and __bpf_ringbuf_reserve() functions in kernel/bpf/ringbuf.c. A local user can perform a denial of service (DoS) attack.
2) Input validation error (CVE-ID: CVE-2024-42244)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the mos7840_port_remove() function in drivers/usb/serial/mos7840.c. A local user can perform a denial of service (DoS) attack.
3) Use-after-free (CVE-ID: CVE-2024-50226)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the mock_decoder_commit() function in tools/testing/cxl/test/cxl.c, within the cxl_region_invalidate_memregion(), cxl_region_decode_reset(), commit_store() and cxl_region_detach() functions in drivers/cxl/core/region.c, within the cxl_decoder_commit() and cxl_decoder_reset() functions in drivers/cxl/core/hdm.c, within the device_for_each_child_reverse() function in drivers/base/core.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.