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TI-2024-17729 Aliases CVE-2024-26858GHSA-hh88-fx3h-f447

net/mlx5e: Use a memory barrier to enforce PTP WQ xmit submission tracking occurs after populating the metadata_map

Priority LOW 24CWE-476Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-476.

Summary

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Use a memory barrier to enforce PTP WQ xmit submission tracking occurs after populating the metadata_map Just simply reordering the functions mlx5e_ptp_metadata_map_put and mlx5e_ptpsq_track_metadata in the mlx5e_txwqe_complete context is not good enough since both the compiler and CPU are free to reorder these two functions. If reordering does occur, the issue that was supposedly fixed by 7e3f3ba97e6c ("net/mlx5e: Track xmit submission to PTP WQ after populating metadata map") will be seen. This will lead to NULL pointer dereferences in mlx5e_ptpsq_mark_ts_cqes_undelivered in the NAPI polling context due to the tracking list being populated before the metadata map.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00227 13th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 6.6.22, 6.6, 6.7.10 +1Red Hat: 1 advisory

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
LinuxLinux6.6.3 to before 6.6.22; 6.5.13 to before 6.66.6.22, 6.6Patch availableCNA
LinuxLinux6.7 and later6.6.22, 6.7.10, 6.8Patch availableCNA
  • Linux VendorLinux Affected 6.6.3 to before 6.6.22; 6.5.13 to before 6.6 Fixed in 6.6.22, 6.6 Patch available CNA
  • Linux VendorLinux Affected 6.7 and later Fixed in 6.6.22, 6.7.10, 6.8 Patch available CNA

CPE configurations NVD · 8

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*6.5.13 to before 6.6; 6.6.3 to before 6.6.22; 6.7 to before 6.7.10VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:*6.8 rc1VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.8:rc2:*:*:*:*:*:*6.8 rc2VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.8:rc3:*:*:*:*:*:*6.8 rc3VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.8:rc4:*:*:*:*:*:*6.8 rc4VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.8:rc5:*:*:*:*:*:*6.8 rc5VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.8:rc6:*:*:*:*:*:*6.8 rc6VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.8:rc7:*:*:*:*:*:*6.8 rc7VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 6.5.13 to before 6.6; 6.6.3 to before 6.6.22; 6.7 to before 6.7.10 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:* Versions 6.8 rc1 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.8:rc2:*:*:*:*:*:* Versions 6.8 rc2 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.8:rc3:*:*:*:*:*:* Versions 6.8 rc3 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.8:rc4:*:*:*:*:*:* Versions 6.8 rc4 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.8:rc5:*:*:*:*:*:* Versions 6.8 rc5 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.8:rc6:*:*:*:*:*:* Versions 6.8 rc6 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.8:rc7:*:*:*:*:*:* Versions 6.8 rc7 Vulnerable ·Linux

Remediation

  • Fix · CNA Linux (Linux) Fixed in 6.6.22, 6.6
  • Fix · CNA Linux (Linux) Fixed in 6.6.22, 6.7.10, 6.8

Red Hat 1 advisory

  • RHSA-2024:4583 Released 2024-07-17 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-427.26.1.el9_4, kernel-64k-debug-devel-matched-5.14.0-427.26.1.el9_4, kernel-64k-devel-5.14.0-427.26.1.el9_4 +11
    • Red Hat Enterprise Linux BaseOS (v. 9) bpftool-7.3.0-427.26.1.el9_4, kernel-5.14.0-427.26.1.el9_4, kernel-64k-5.14.0-427.26.1.el9_4 +29
    • Red Hat Enterprise Linux CRB (v. 9) kernel-tools-libs-devel-5.14.0-427.26.1.el9_4, libperf-5.14.0-427.26.1.el9_4
    • Red Hat Enterprise Linux NFV (v. 9) kernel-rt-5.14.0-427.26.1.el9_4, kernel-rt-core-5.14.0-427.26.1.el9_4, kernel-rt-debug-5.14.0-427.26.1.el9_4 +11
    • Red Hat Enterprise Linux RT (v. 9) kernel-rt-5.14.0-427.26.1.el9_4, kernel-rt-core-5.14.0-427.26.1.el9_4, kernel-rt-debug-5.14.0-427.26.1.el9_4 +9

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2024:4583
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2024:4583
Red Hat Enterprise Linux CRB (v. 9)Fixed RHSA-2024:4583
Red Hat Enterprise Linux NFV (v. 9)Fixed RHSA-2024:4583
Red Hat Enterprise Linux RT (v. 9)Fixed RHSA-2024:4583
Not affected: 4 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-26858
  2. 2026-10-03 Alias added: GHSA-hh88-fx3h-f447
  3. 2026-10-29 Affected versions changed · Red Hat

References

Patch 3

  • 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-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
  • TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
See all 15278 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences