CVE-2023-1075

LOWNVD 3.33.3—

3.3

A flaw was found in the Linux Kernel. The tls_is_tx_ready() incorrectly checks for list emptiness, potentially accessing a type confused entry to the list_head, leaking the last byte of the confused field that overlaps with rec->tx_ready.

CVSS v3: 3.3
EG Score: 3.3(medium)
EPSS: 1.3%
KEV: Not listed

Published

March 27, 2023

Last Modified

February 24, 2025

References (2)

secalert@redhathttps://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=ffe2a22562444720b05bdfeb999c03e810d84cbb
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=ffe2a22562444720b05bdfeb999c03e810d84cbb

Patch Availability(21)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	linux-tools-intel-iotg (5.15.0.1030.29) @ jammy	2026-05-25	ubuntu
ubuntu	linux-headers-bluefield (5.4.0.1064.59) @ focal	2026-05-25	ubuntu
ubuntu	linux-oem-tools-host (5.4.0.149.147) @ focal	2026-05-25	ubuntu
ubuntu	linux-image-5.15.0-1030-intel-iotg (5.15.0-1030.35~20.04.1) @ focal	2026-05-25	ubuntu
ubuntu	linux-headers-5.4.0-1024-xilinx-zynqmp (5.4.0-1024.28) @ focal	2026-05-25	ubuntu
ubuntu	linux-tools-iot (5.4.0.1017.15) @ focal	2026-05-25	ubuntu
ubuntu	linux-tools-oem-22.04b (6.0.0.1021.21) @ jammy	2026-05-25	ubuntu
ubuntu	linux-headers-5.15.0-1029-raspi-nolpae (5.15.0-1029.31) @ jammy	2026-05-25	ubuntu
ubuntu	linux-tools-oracle-edge (5.15.0.1035.41~20.04.1) @ focal	2026-05-25	ubuntu
ubuntu	linux-buildinfo-5.19.0-1024-gcp (5.19.0-1024.26) @ kinetic	2026-05-25	ubuntu
ubuntu	linux-image-raspi2-hwe-18.04 (5.4.0.1085.115) @ focal	2026-05-25	ubuntu
ubuntu	linux-headers-5.4.0-1101-oracle (5.4.0-1101.110) @ focal	2026-05-25	ubuntu
ubuntu	linux-buildinfo-6.1.0-1008-oem (6.1.0-1008.8) @ jammy	2026-05-25	ubuntu
ubuntu	linux-image-lowlatency (5.19.0.1024.20) @ kinetic	2026-05-25	ubuntu
ubuntu	linux-modules-5.15.0-72-lowlatency (5.15.0-72.79) @ jammy	2026-05-25	ubuntu
ubuntu	linux-ibm-cloud-tools-common (5.19.0-1022.24) @ kinetic	2026-05-25	ubuntu
redhat	kernel-0:4.18.0-372.91.1.el8_6	2024-02-07	redhat
redhat	kernel-0:4.18.0-477.43.1.el8_8	2024-01-30	redhat
redhat	kernel-rt-0:4.18.0-513.5.1.rt7.307.el8_9	2023-11-14	redhat
redhat	kernel-0:4.18.0-513.5.1.el8_9	2023-11-14	redhat
redhat	kernel-0:5.14.0-362.8.1.el9_3	2023-11-07	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(21)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 04:28 UTCEG score recompute

Frequently asked(5)

What is CVE-2023-1075?

CVE-2023-1075 is a low vulnerability published on March 27, 2023. A flaw was found in the Linux Kernel. The tlsistxready() incorrectly checks for list emptiness, potentially accessing a type confused entry to the listhead, leaking the last byte of the confused field that overlaps with rec->tx_ready.

When was CVE-2023-1075 disclosed?

CVE-2023-1075 was first published in the National Vulnerability Database on March 27, 2023, with the most recent update on February 24, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-1075 actively exploited?

CVE-2023-1075 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-1075?

CVE-2023-1075 has a CVSS v3 base score of 3.3 (NVD).

How do I remediate CVE-2023-1075?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-1075, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-1075

Published

Last Modified

References (2)

Patch Availability(21)

Weakness Classification(2)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-1075?

Same vendor

Same CWE

CVE-2023-1075

📅 Published

🔄 Last Modified

🔗 References (2)

Patch Availability(21)

Weakness Classification(2)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-1075?

🔗 Related CVEs(same vendor + same CWE)

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References (2)

Frequently asked(5)

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