CVE-2024-26898
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.30%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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().
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.30% probability · 23th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/079cba4f4e307c69878226fdf5228c20aa1c969cPatch
- https://git.kernel.org/stable/c/1a54aa506b3b2f31496731039e49778f54eee881Patch
- https://git.kernel.org/stable/c/74ca3ef68d2f449bc848c0a814cefc487bf755faPatch
- https://git.kernel.org/stable/c/7dd09fa80b0765ce68bfae92f4e2f395ccf0fba4Patch
- https://git.kernel.org/stable/c/a16fbb80064634b254520a46395e36b87ca4731ePatch
- https://git.kernel.org/stable/c/ad80c34944d7175fa1f5c7a55066020002921a99Patch
- https://git.kernel.org/stable/c/eb48680b0255a9e8a9bdc93d6a55b11c31262e62Patch
- https://git.kernel.org/stable/c/f98364e926626c678fb4b9004b75cacf92ff0662Patch
- https://git.kernel.org/stable/c/faf0b4c5e00bb680e8e43ac936df24d3f48c8e65Patch
- https://git.kernel.org/stable/c/079cba4f4e307c69878226fdf5228c20aa1c969cPatch
- https://git.kernel.org/stable/c/1a54aa506b3b2f31496731039e49778f54eee881Patch
- https://git.kernel.org/stable/c/74ca3ef68d2f449bc848c0a814cefc487bf755faPatch
- https://git.kernel.org/stable/c/7dd09fa80b0765ce68bfae92f4e2f395ccf0fba4Patch
- https://git.kernel.org/stable/c/a16fbb80064634b254520a46395e36b87ca4731ePatch
- https://git.kernel.org/stable/c/ad80c34944d7175fa1f5c7a55066020002921a99Patch
- https://git.kernel.org/stable/c/eb48680b0255a9e8a9bdc93d6a55b11c31262e62Patch
- https://git.kernel.org/stable/c/f98364e926626c678fb4b9004b75cacf92ff0662Patch
- https://git.kernel.org/stable/c/faf0b4c5e00bb680e8e43ac936df24d3f48c8e65Patch
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.