CVE-2024-26680

CVE Details

Release Date:

2024-04-02

Description

In the Linux kernel, the following vulnerability has been resolved:\nnet: atlantic: Fix DMA mapping for PTP hwts ring\nFunction aq_ring_hwts_rx_alloc() maps extra AQ_CFG_RXDS_DEF bytes\nfor PTP HWTS ring but then generic aq_ring_free() does not take this\ninto account.\nCreate and use a specific function to free HWTS ring to fix this\nissue.\nTrace:\n[ 215.351607] ------------[ cut here ]------------\n[ 215.351612] DMA-API: atlantic 0000:4b:00.0: device driver frees DMA memory with different size [device address=0x00000000fbdd0000] [map size=34816 bytes] [unmap size=32768 bytes]\n[ 215.351635] WARNING: CPU: 33 PID: 10759 at kernel/dma/debug.c:988 check_unmap+0xa6f/0x2360\n...\n[ 215.581176] Call Trace:\n[ 215.583632] \n[ 215.585745] ? show_trace_log_lvl+0x1c4/0x2df\n[ 215.590114] ? show_trace_log_lvl+0x1c4/0x2df\n[ 215.594497] ? debug_dma_free_coherent+0x196/0x210\n[ 215.599305] ? check_unmap+0xa6f/0x2360\n[ 215.603147] ? __warn+0xca/0x1d0\n[ 215.606391] ? check_unmap+0xa6f/0x2360\n[ 215.610237] ? report_bug+0x1ef/0x370\n[ 215.613921] ? handle_bug+0x3c/0x70\n[ 215.617423] ? exc_invalid_op+0x14/0x50\n[ 215.621269] ? asm_exc_invalid_op+0x16/0x20\n[ 215.625480] ? check_unmap+0xa6f/0x2360\n[ 215.629331] ? mark_lock.part.0+0xca/0xa40\n[ 215.633445] debug_dma_free_coherent+0x196/0x210\n[ 215.638079] ? __pfx_debug_dma_free_coherent+0x10/0x10\n[ 215.643242] ? slab_free_freelist_hook+0x11d/0x1d0\n[ 215.648060] dma_free_attrs+0x6d/0x130\n[ 215.651834] aq_ring_free+0x193/0x290 [atlantic]\n[ 215.656487] aq_ptp_ring_free+0x67/0x110 [atlantic]\n...\n[ 216.127540] ---[ end trace 6467e5964dd2640b ]---\n[ 216.132160] DMA-API: Mapped at:\n[ 216.132162] debug_dma_alloc_coherent+0x66/0x2f0\n[ 216.132165] dma_alloc_attrs+0xf5/0x1b0\n[ 216.132168] aq_ring_hwts_rx_alloc+0x150/0x1f0 [atlantic]\n[ 216.132193] aq_ptp_ring_alloc+0x1bb/0x540 [atlantic]\n[ 216.132213] aq_nic_init+0x4a1/0x760 [atlantic]

See more information about CVE-2024-26680 from MITRE CVE dictionary and NIST NVD

CVSS Scoring

NOTE: The following CVSS v3.1 metrics and score provided are preliminary and subject to review.

Base Score:	4.4	CVSS Vector:	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack Vector:	Local network	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