Yüksek CVSS 7.8

CVE-2024-26898: Linux Kernel: serbest bırakılmış belleğin kullanımı

Yayın: 17 Nisan 2024 14:15 · Güncelleme: 6 Kasım 2026 09:48

Açıklama (NVD)

In the Linux kernel, the following vulnerability has been resolved: aoe: fix the potential use-after-free problem in aoecmd_cfg_pkts This patch is against CVE-2023-6270. The description of cve is: A flaw was found in the ATA over Ethernet (AoE) driver in the Linux kernel. The aoecmd_cfg_pkts() function improperly updates the refcnt on `struct net_device`, and a use-after-free can be triggered by racing between the free on the struct and the access through the `skbtxq` global queue. This could lead to a denial of service condition or potential code execution. In aoecmd_cfg_pkts(), it always calls dev_put(ifp) when skb initial code is finished. But the net_device ifp will still be used in later tx()->dev_queue_xmit() in kthread. Which means that the dev_put(ifp) should NOT be called in the success path of skb initial code in aoecmd_cfg_pkts(). Otherwise tx() may run into use-after-free because the net_device is freed. This patch removed the dev_put(ifp) in the success path in aoecmd_cfg_pkts(), and added dev_put() after skb xmit in tx().

Özet bilgiler

Ürün: Linux Linux Kernel
CVSS v3.1: 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: %0,31 (yüzdelik 24)
CWE: CWE-416
Yama: Mevcut

Etkilenen sürümler

Ürün	Başlangıç	Bitiş	Düzeltildi
linux-linux-kernel	2.6.22	—	4.19.311
linux-linux-kernel	4.20	—	5.4.273
linux-linux-kernel	5.5	—	5.10.214
linux-linux-kernel	5.11	—	5.15.153
linux-linux-kernel	5.16	—	6.1.83
linux-linux-kernel	6.2	—	6.6.23
linux-linux-kernel	6.7	—	6.7.11
linux-linux-kernel	6.8	—	6.8.2

Kaynaklar

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