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Review reviewHigh

CVE-2024-26895

Linux Linux, SIMATIC S7-1500 TM MFP - GNU/Linux subsystem, linux kernel

In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: prevent use-after-free on vif when cleaning up all interfaces wilc_netdev_cleanup currently triggers a KASAN warning, which can be observed on interface registration error path, or simply by removing the module/unbinding device from driver: echo spi0.1 > /sys/bus/spi/drivers/wilc1000_spi/unbind ================================================================== BUG: KASAN: slab-use-after-free in wilc_netdev_cleanup+0x508/0x5cc Read of size 4 at addr c54d1ce8 by task sh/86 CPU: 0 PID: 86 Comm: sh Not tainted 6...

CVSS
7.8
EPSS
0.24%
14.4% percentile
CISA KEV
Not listed
Published
2024.04.17
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.24%
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: prevent use-after-free on vif when cleaning up all interfaces wilc_netdev_cleanup currently triggers a KASAN warning, which can be observed on interface registration error path, or simply by removing the module/unbinding device from driver: echo spi0.1 > /sys/bus/spi/drivers/wilc1000_spi/unbind ================================================================== BUG: KASAN: slab-use-after-free in wilc_netdev_cleanup+0x508/0x5cc Read of size 4 at addr c54d1ce8 by task sh/86 CPU: 0 PID: 86 Comm: sh Not tainted 6...

Affected product and versions

Product
Linux Linux, SIMATIC S7-1500 TM MFP - GNU/Linux subsystem, linux kernel
Affected versions
>= 8399918f3056e1033f0f4c08eab437fb38d6f22d < 5956f4203b6cdd0755bbdd21b45f3933c7026208, >= 8399918f3056e1033f0f4c08eab437fb38d6f22d < fe20e3d56bc911408fc3c27a17c59e9d7885f7d1, >= 8399918f3056e1033f0f4c08eab437fb38d6f22d < a9545af2a533739ffb64d6c9a6fec6f13e2b505f, >= 8399918f3056e1033f0f4c08eab437fb38d6f22d < 3da9d32b7f4a1a9f7e4bb15bb82f2b2dd6719447, >= 8399918f3056e1033f0f4c08eab437fb38d6f22d < 24228dcf1d30c2231caa332be7d3090ac59fbfe9, >= 8399918f3056e1033f0f4c08eab437fb38d6f22d < 73a2aa0aef86c2c07be5a2f42c9e6047e1a2f7bb, >= 8399918f3056e1033f0f4c08eab437fb38d6f22d < cb5942b77c05d54310a0420cac12935e9b6aa21c, >= 5.5, >= 5.5 < 5.10.214, >= 5.11 < 5.15.153, >= 5.16 < 6.1.83, >= 6.2 < 6.6.23, >= 6.7 < 6.7.11, >= 6.8 < 6.8.2, 10.0
Fixed versions
5.10.214, 5.15.153, 6.1.83, 6.6.23, 6.7.11, 6.8.2

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, SIMATIC S7-1500 TM MFP - GNU/Linux subsystem, linux kernel and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-416