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TI-2025-26964 Aliases CVE-2025-40294GHSA-23g6-rffg-7f3p

Bluetooth: MGMT: Fix OOB access in parse_adv_monitor_pattern()

Priority LOW 22Published · Updated

Key facts

Attack vector
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Privileges required
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User interaction
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Attack complexity
—
Impact type
—
Confidentiality · integrity · availability
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Fix status
Partial Red Hat: 25 fixed, 1 without a fix

No CVSS vector from any source. Fix status from CNA and Red Hat.

Summary

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: Fix OOB access in parse_adv_monitor_pattern() In the parse_adv_monitor_pattern() function, the value of the 'length' variable is currently limited to HCI_MAX_EXT_AD_LENGTH(251). The size of the 'value' array in the mgmt_adv_pattern structure is 31. If the value of 'pattern[i].length' is set in the user space and exceeds 31, the 'patterns[i].value' array can be accessed out of bound when copied. Increasing the size of the 'value' array in the 'mgmt_adv_pattern' structure will break the userspace. Considering this, and to avoid OOB access revert the limits for 'offset' and 'length' back to the value of HCI_MAX_AD_LENGTH. Found by InfoTeCS on behalf of Linux Verification Center (linuxtesting.org) with SVACE.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00201 10th percentileScored 2026-11-07
Fix Partial Linux (Linux): 6.1.159, 6.6.117, 6.12.58 +2Red Hat: 5 advisoriesRed Hat: 25 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
LinuxLinux6.1.83 to before 6.1.1596.1.159Patch availableCNA
LinuxLinux6.6 and later6.1.159, 6.6.117, 6.12.58, 6.17.8, 6.18Patch availableCNA
  • Linux VendorLinux Affected 6.1.83 to before 6.1.159 Fixed in 6.1.159 Patch available CNA
  • Linux VendorLinux Affected 6.6 and later Fixed in 6.1.159, 6.6.117, 6.12.58, 6.17.8, 6.18 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*——Linux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions — — ·Linux

Remediation

  • Fix · CNA Linux (Linux) Fixed in 6.1.159
  • Fix · CNA Linux (Linux) Fixed in 6.1.159, 6.6.117, 6.12.58, 6.17.8, 6.18

Red Hat 5 advisories

  • RHSA-2026:2761 Released 2026-02-16 · Red Hat rating Moderate
    kernel security update
    • Red Hat Enterprise Linux AppStream EUS (v. 10.0) kernel-64k-debug-devel-6.12.0-55.60.1.el10_0, kernel-64k-debug-devel-matched-6.12.0-55.60.1.el10_0, kernel-64k-devel-6.12.0-55.60.1.el10_0 +12
    • Red Hat Enterprise Linux BaseOS EUS (v. 10.0) kernel-6.12.0-55.60.1.el10_0, kernel-64k-6.12.0-55.60.1.el10_0, kernel-64k-core-6.12.0-55.60.1.el10_0 +28
    • Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) kernel-tools-libs-devel-6.12.0-55.60.1.el10_0, libperf-6.12.0-55.60.1.el10_0
    • Red Hat Enterprise Linux Real Time EUS (v. 10.0) kernel-rt-6.12.0-55.60.1.el10_0, kernel-rt-64k-6.12.0-55.60.1.el10_0, kernel-rt-64k-core-6.12.0-55.60.1.el10_0 +21
    • Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0) kernel-rt-6.12.0-55.60.1.el10_0, kernel-rt-core-6.12.0-55.60.1.el10_0, kernel-rt-debug-6.12.0-55.60.1.el10_0 +11
  • RHSA-2026:2594 Released 2026-02-12 · Red Hat rating Moderate
    kernel security update
    • Red Hat CodeReady Linux Builder EUS (v.9.4) kernel-tools-libs-devel-5.14.0-427.110.1.el9_4, libperf-5.14.0-427.110.1.el9_4
    • Red Hat Enterprise Linux AppStream EUS (v.9.4) kernel-64k-debug-devel-5.14.0-427.110.1.el9_4, kernel-64k-debug-devel-matched-5.14.0-427.110.1.el9_4, kernel-64k-devel-5.14.0-427.110.1.el9_4 +11
    • Red Hat Enterprise Linux BaseOS EUS (v.9.4) bpftool-7.3.0-427.110.1.el9_4, kernel-5.14.0-427.110.1.el9_4, kernel-64k-5.14.0-427.110.1.el9_4 +29
    • Red Hat Enterprise Linux Real Time EUS (v.9.4) kernel-rt-5.14.0-427.110.1.el9_4, kernel-rt-core-5.14.0-427.110.1.el9_4, kernel-rt-debug-5.14.0-427.110.1.el9_4 +9
    • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) kernel-rt-5.14.0-427.110.1.el9_4, kernel-rt-core-5.14.0-427.110.1.el9_4, kernel-rt-debug-5.14.0-427.110.1.el9_4 +11
  • RHSA-2026:2352 Released 2026-02-09 · Red Hat rating Moderate
    kernel security update
    • Red Hat CodeReady Linux Builder EUS (v.9.6) kernel-tools-libs-devel-5.14.0-570.86.1.el9_6, libperf-5.14.0-570.86.1.el9_6
    • Red Hat Enterprise Linux AppStream EUS (v.9.6) kernel-64k-debug-devel-5.14.0-570.86.1.el9_6, kernel-64k-debug-devel-matched-5.14.0-570.86.1.el9_6, kernel-64k-devel-5.14.0-570.86.1.el9_6 +12
    • Red Hat Enterprise Linux BaseOS EUS (v.9.6) kernel-5.14.0-570.86.1.el9_6, kernel-64k-5.14.0-570.86.1.el9_6, kernel-64k-core-5.14.0-570.86.1.el9_6 +28
    • Red Hat Enterprise Linux Real Time EUS (v.9.6) kernel-rt-5.14.0-570.86.1.el9_6, kernel-rt-64k-5.14.0-570.86.1.el9_6, kernel-rt-64k-core-5.14.0-570.86.1.el9_6 +21
    • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6) kernel-rt-5.14.0-570.86.1.el9_6, kernel-rt-core-5.14.0-570.86.1.el9_6, kernel-rt-debug-5.14.0-570.86.1.el9_6 +11
Show 2 more Red Hat advisories
  • RHSA-2026:1690 Released 2026-02-02 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux AppStream (v. 10) kernel-64k-debug-devel-6.12.0-124.31.1.el10_1, kernel-64k-debug-devel-matched-6.12.0-124.31.1.el10_1, kernel-64k-devel-6.12.0-124.31.1.el10_1 +12
    • Red Hat Enterprise Linux BaseOS (v. 10) kernel-6.12.0-124.31.1.el10_1, kernel-64k-6.12.0-124.31.1.el10_1, kernel-64k-core-6.12.0-124.31.1.el10_1 +29
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) kernel-tools-libs-devel-6.12.0-124.31.1.el10_1, libperf-6.12.0-124.31.1.el10_1
    • Red Hat Enterprise Linux Real Time (v. 10) kernel-rt-6.12.0-124.31.1.el10_1, kernel-rt-64k-6.12.0-124.31.1.el10_1, kernel-rt-64k-core-6.12.0-124.31.1.el10_1 +21
    • Red Hat Enterprise Linux Real Time for NFV (v. 10) kernel-rt-6.12.0-124.31.1.el10_1, kernel-rt-core-6.12.0-124.31.1.el10_1, kernel-rt-debug-6.12.0-124.31.1.el10_1 +9
  • RHSA-2026:1143 Released 2026-01-26 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-611.26.1.el9_7, kernel-64k-debug-devel-matched-5.14.0-611.26.1.el9_7, kernel-64k-devel-5.14.0-611.26.1.el9_7 +12
    • Red Hat Enterprise Linux BaseOS (v. 9) kernel-5.14.0-611.26.1.el9_7, kernel-64k-5.14.0-611.26.1.el9_7, kernel-64k-core-5.14.0-611.26.1.el9_7 +28
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-611.26.1.el9_7, libperf-5.14.0-611.26.1.el9_7
    • Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-611.26.1.el9_7, kernel-rt-64k-5.14.0-611.26.1.el9_7, kernel-rt-64k-core-5.14.0-611.26.1.el9_7 +21
    • Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-611.26.1.el9_7, kernel-rt-core-5.14.0-611.26.1.el9_7, kernel-rt-debug-5.14.0-611.26.1.el9_7 +9

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 9AffectedNo fix yet
Red Hat CodeReady Linux Builder EUS (v.9.4)Fixed RHSA-2026:2594
Red Hat CodeReady Linux Builder EUS (v.9.6)Fixed RHSA-2026:2352
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2026:1690
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2026:1143
Red Hat Enterprise Linux AppStream EUS (v. 10.0)Fixed RHSA-2026:2761
Red Hat Enterprise Linux AppStream EUS (v.9.4)Fixed RHSA-2026:2594
Red Hat Enterprise Linux AppStream EUS (v.9.6)Fixed RHSA-2026:2352
Red Hat Enterprise Linux BaseOS (v. 10)Fixed RHSA-2026:1690
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2026:1143
Red Hat Enterprise Linux BaseOS EUS (v. 10.0)Fixed RHSA-2026:2761
Red Hat Enterprise Linux BaseOS EUS (v.9.4)Fixed RHSA-2026:2594
Red Hat Enterprise Linux BaseOS EUS (v.9.6)Fixed RHSA-2026:2352
Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)Fixed RHSA-2026:1690
Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)Fixed RHSA-2026:1143
Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)Fixed RHSA-2026:2761
Red Hat Enterprise Linux Real Time (v. 10)Fixed RHSA-2026:1690
Red Hat Enterprise Linux Real Time (v. 9)Fixed RHSA-2026:1143
Red Hat Enterprise Linux Real Time EUS (v. 10.0)Fixed RHSA-2026:2761
Red Hat Enterprise Linux Real Time EUS (v.9.4)Fixed RHSA-2026:2594
Red Hat Enterprise Linux Real Time EUS (v.9.6)Fixed RHSA-2026:2352
Red Hat Enterprise Linux Real Time for NFV (v. 10)Fixed RHSA-2026:1690
Red Hat Enterprise Linux Real Time for NFV (v. 9)Fixed RHSA-2026:1143
Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0)Fixed RHSA-2026:2761
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4)Fixed RHSA-2026:2594
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6)Fixed RHSA-2026:2352
Not affected: 3 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-40294
  2. 2026-10-03 Alias added: GHSA-23g6-rffg-7f3p

References

  • TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
  • TI-2021-02452 Incorrect authorization in Ubuntu linux kernel KEVCVSS 3.1HIGH 8.8
  • TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
  • TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
  • TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
See all 21741 →

Sources