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CVE-2024-26898

Status Candidate

Overview

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().

Related Files

Ubuntu Security Notice USN-6866-3
Posted Jul 11, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6866-3 - It was discovered that the ext4 file system implementation in the Linux kernel did not properly validate data state on write operations. An attacker could use this to construct a malicious ext4 file system image that, when mounted, could cause a denial of service. It was discovered that the ATA over Ethernet driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel
systems | linux, ubuntu
advisories | CVE-2021-33631, CVE-2021-47063, CVE-2022-0001, CVE-2023-6270, CVE-2024-2201, CVE-2024-23307, CVE-2024-24861, CVE-2024-26720, CVE-2024-26898
SHA-256 | cd531bd98e8b9bc6399b28fcdad6313e6b25ed3910dd56bf9af73db0843fc2b2
Ubuntu Security Notice USN-6866-2
Posted Jul 5, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6866-2 - It was discovered that the ext4 file system implementation in the Linux kernel did not properly validate data state on write operations. An attacker could use this to construct a malicious ext4 file system image that, when mounted, could cause a denial of service. It was discovered that the ATA over Ethernet driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel
systems | linux, ubuntu
advisories | CVE-2021-33631, CVE-2021-47063, CVE-2022-0001, CVE-2023-6270, CVE-2024-2201, CVE-2024-23307, CVE-2024-24861, CVE-2024-26720, CVE-2024-26898
SHA-256 | c2451c35c4f65c3753b0fcc6bbcbc31cf6e73e7ae847a31805b297f8c452e962
Ubuntu Security Notice USN-6866-1
Posted Jul 4, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6866-1 - It was discovered that the ext4 file system implementation in the Linux kernel did not properly validate data state on write operations. An attacker could use this to construct a malicious ext4 file system image that, when mounted, could cause a denial of service. It was discovered that the ATA over Ethernet driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel
systems | linux, ubuntu
advisories | CVE-2021-33631, CVE-2021-47063, CVE-2022-0001, CVE-2023-6270, CVE-2024-2201, CVE-2024-23307, CVE-2024-24861, CVE-2024-26720, CVE-2024-26898
SHA-256 | a65af3943392f41a1f25fbd47f49e95bd580bdcb4dd7f0b1758fd82d6b6b6921
Ubuntu Security Notice USN-6865-1
Posted Jul 4, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6865-1 - It was discovered that the ext4 file system implementation in the Linux kernel did not properly validate data state on write operations. An attacker could use this to construct a malicious ext4 file system image that, when mounted, could cause a denial of service. It was discovered that the ATA over Ethernet driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel
systems | linux, ubuntu
advisories | CVE-2021-33631, CVE-2022-0001, CVE-2023-6270, CVE-2024-2201, CVE-2024-23307, CVE-2024-24861, CVE-2024-26898
SHA-256 | 6364780b1fc74e18429c1df704b6975dccfb0ef136fec0a55ad4192decc3c852
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