CVE-2024-49982

HIGH EPSS 17.1%
Published Oct 21, 20241y ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
High
Find Similar
Published Oct 21, 2024 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: aoe: fix the potential use-after-free problem in more places For fixing CVE-2023-6270, f98364e92662 ("aoe: fix the potential use-after-free problem in aoecmd_cfg_pkts") makes tx() calling dev_put() instead of doing in aoecmd_cfg_pkts(). It avoids that the tx() runs into use-after-free. Then Nicolai Stange found more places in aoe have potential use-after-free problem with tx(). e.g. revalidate(), aoecmd_ata_rw(), resend(), probe() and aoecmd_cfg_rsp(). Those functions also use aoenet_xmit() to push packet to tx queue. So they should also use dev_hold() to increase the refcnt of skb->dev. On the other hand, moving dev_put() to tx() causes that the refcnt of skb->dev be reduced to a negative value, because corresponding dev_hold() are not called in revalidate(), aoecmd_ata_rw(), resend(), probe(), and aoecmd_cfg_rsp(). This patch fixed this issue.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
17.1% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 10

VendorProductVersionRange
linuxlinux_kernel*≥5.10.214  –  <5.10.227
linuxlinux_kernel*≥5.15.153  –  <5.15.168
linuxlinux_kernel*≥6.1.83  –  <6.1.113
linuxlinux_kernel*≥6.6.23  –  <6.6.55
linuxlinux_kernel*≥6.7.11  –  <6.8.2
linuxlinux_kernel*≥6.9  –  <6.10.14
linuxlinux_kernel*≥6.11  –  <6.11.3
linuxlinux_kernel4.19.311any
linuxlinux_kernel5.4.273any
linuxlinux_kernel6.12any

References 11

  • git.kernel.org https://git.kernel.org/stable/c/07b418d50ccbbca7e5d87a3a0d41d436cefebf79
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/12f7b89dd72b25da4eeaa22097877963cad6418e
  • git.kernel.org https://git.kernel.org/stable/c/6d6e54fc71ad1ab0a87047fd9c211e75d86084a3
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8253a60c89ec35c8f36fb2cc08cdf854c7a3eb58
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/89d9a69ae0c667e4d9d028028e2dcc837bae626f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a786265aecf39015418e4f930cc1c14603a01490
  • git.kernel.org https://git.kernel.org/stable/c/acc5103a0a8c200a52af7d732c36a8477436a3d3
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/bc2cbf7525ac288e07d465f5a1d8cb8fb9599254
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f63461af2c1a86af4217910e47a5c46e3372e645
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/07b418d50ccbbca7e5d87a3a0d41d436cefebf79
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6d6e54fc71ad1ab0a87047fd9c211e75d86084a3
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8253a60c89ec35c8f36fb2cc08cdf854c7a3eb58
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/89d9a69ae0c667e4d9d028028e2dcc837bae626f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/acc5103a0a8c200a52af7d732c36a8477436a3d3
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/bc2cbf7525ac288e07d465f5a1d8cb8fb9599254
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f63461af2c1a86af4217910e47a5c46e3372e645
    Patch