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Review reviewHigh

CVE-2024-35967

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

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SCO: Fix not validating setsockopt user input syzbot reported sco_sock_setsockopt() is copying data without checking user input length. BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline] BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline] BUG: KASAN: slab-out-of-bounds in sco_sock_setsockopt+0xc0b/0xf90 net/bluetooth/sco.c:893 Read of size 4 at addr ffff88805f7b15a3 by task syz-executor.5/12578

CVSS
7.1
EPSS
0.24%
14.7% percentile
CISA KEV
Not listed
Published
2024.05.20
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.24%
Technical severityCVSS 7.1

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SCO: Fix not validating setsockopt user input syzbot reported sco_sock_setsockopt() is copying data without checking user input length. BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline] BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline] BUG: KASAN: slab-out-of-bounds in sco_sock_setsockopt+0xc0b/0xf90 net/bluetooth/sco.c:893 Read of size 4 at addr ffff88805f7b15a3 by task syz-executor.5/12578

Affected product and versions

Product
Linux Linux, SIMATIC S7-1500 TM MFP - GNU/Linux subsystem, linux kernel
Affected versions
>= b96e9c671b05f95126753a22145d4509d45ca197 < b0e30c37695b614bee69187f86eaf250e36606ce, >= b96e9c671b05f95126753a22145d4509d45ca197 < 2c2dc87cdebef3fe3b9d7a711a984c70e376e32e, >= b96e9c671b05f95126753a22145d4509d45ca197 < 7bc65d23ba20dcd7ecc094a12c181e594e5eb315, >= b96e9c671b05f95126753a22145d4509d45ca197 < 72473db90900da970a16ee50ad23c2c38d107d8c, >= b96e9c671b05f95126753a22145d4509d45ca197 < 419a0ffca7010216f0fc265b08558d7394fa0ba7, >= b96e9c671b05f95126753a22145d4509d45ca197 < 51eda36d33e43201e7a4fd35232e069b2c850b01, >= 3.8, >= 3.8 < 5.10.216, >= 5.11 < 5.15.178, >= 5.16 < 6.1.87, >= 6.2 < 6.6.28, >= 6.7 < 6.8.7, 6.9, 10.0
Fixed versions
5.10.216, 5.15.178, 6.1.87, 6.6.28, 6.8.7

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:N/A:H
CWE
CWE-125