CVE-2024-26838

CVE Details

Release Date:	2024-04-17
Impact:	Low	What is this?

Description

In the Linux kernel, the following vulnerability has been resolved:\nRDMA/irdma: Fix KASAN issue with tasklet\nKASAN testing revealed the following issue assocated with freeing an IRQ.\n[50006.466686] Call Trace:\n[50006.466691] \n[50006.489538] dump_stack+0x5c/0x80\n[50006.493475] print_address_description.constprop.6+0x1a/0x150\n[50006.499872] ? irdma_sc_process_ceq+0x483/0x790 [irdma]\n[50006.505742] ? irdma_sc_process_ceq+0x483/0x790 [irdma]\n[50006.511644] kasan_report.cold.11+0x7f/0x118\n[50006.516572] ? irdma_sc_process_ceq+0x483/0x790 [irdma]\n[50006.522473] irdma_sc_process_ceq+0x483/0x790 [irdma]\n[50006.528232] irdma_process_ceq+0xb2/0x400 [irdma]\n[50006.533601] ? irdma_hw_flush_wqes_callback+0x370/0x370 [irdma]\n[50006.540298] irdma_ceq_dpc+0x44/0x100 [irdma]\n[50006.545306] tasklet_action_common.isra.14+0x148/0x2c0\n[50006.551096] __do_softirq+0x1d0/0xaf8\n[50006.555396] irq_exit_rcu+0x219/0x260\n[50006.559670] irq_exit+0xa/0x20\n[50006.563320] smp_apic_timer_interrupt+0x1bf/0x690\n[50006.568645] apic_timer_interrupt+0xf/0x20\n[50006.573341] \nThe issue is that a tasklet could be pending on another core racing\nthe delete of the irq.\nFix by insuring any scheduled tasklet is killed after deleting the\nirq.

See more information about CVE-2024-26838 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	4.4
Vector String:	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Version:	3.1
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	High
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 9 (kernel)	ELSA-2024-9315	2024-11-14