{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2022-4543 in the wild and no public exploit code.","fix":"Apply the vendor's patch.","what":"CVE-2022-4543 is a medium-severity vulnerability in Linux kernel, published on 11 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2022-4543 and fix it if it is affected.\n\nWhat it is: CVE-2022-4543 is a medium-severity vulnerability in Linux kernel, published on 11 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2022-4543 in the wild and no public exploit code.\n\nAffected product: Linux kernel. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2022-4543/ (Markdown: https://insights.sbomify.com/CVE-2022-4543/index.md)","id":"CVE-2022-4543","markdown":"https://insights.sbomify.com/CVE-2022-4543/index.md","name":"CVE-2022-4543","record":{"aliases":["AZL-12989","AZL-34862","DEBIAN-CVE-2022-4543","GHSA-252r-7vwr-8rfh","ROOT-OS-DEBIAN-12-CVE-2022-4543","ROOT-OS-DEBIAN-13-CVE-2022-4543","ROOT-OS-UBUNTU-2204-CVE-2022-4543","ROOT-OS-UBUNTU-2404-CVE-2022-4543","UBUNTU-CVE-2022-4543"],"analysis":{"component_type":"kernel","fix_type":"patch","impacts":["data_read"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"Linux kernel","requires_auth":"low_privilege","summary":"Local attackers can leak KASLR base addresses via prefetch side-channels on Intel systems, weakening kernel address space layout randomization.","user_interaction":"not_required","vuln_class":"information_disclosure"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"redhat","cpe":[{"product":"linux_kernel","vendor":"linux"}],"cvss":{"score":5.5,"severity":"medium","source":"cisa-adp","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"cwes":[{"id":"CWE-203","name":"Observable Discrepancy"},{"id":"CWE-200","name":"Exposure of Sensitive Information to an Unauthorized Actor"}],"description":"A flaw named \"EntryBleed\" was found in the Linux Kernel Page Table Isolation (KPTI). This issue could allow a local attacker to leak KASLR base via prefetch side-channels based on TLB timing for Intel systems.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":"2023-07-10","github_poc":2,"max_poc_stars":3,"metasploit":0,"nuclei":0,"refs":[{"date":"2023-07-10T02:34:01Z","kind":"github_poc","ref":"https://github.com/sunichi/cve-2022-4543-wrapper","stars":3,"title":null},{"date":"2026-04-18T10:26:41Z","kind":"github_poc","ref":"https://github.com/ngtuonghung/CVE-2022-4543-EntryBleed","stars":0,"title":null}],"tier":"poc_unverified"},"has_fix":true,"headline":"Information disclosure in Linux kernel","id":"CVE-2022-4543","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"linux:linux_kernel","products":["linux:linux_kernel"],"type":"information_disclosure","year":"2022"},"n_packages":0,"n_references":2,"next":{"headline":"MashShare \u003c 3.8.7 - Contributor+ Stored XSS","id":"CVE-2022-4544"},"packages":[],"prev":{"headline":"Compact WP Audio Player \u003c 1.9.8 - Contributor+ Stored XSS","id":"CVE-2022-4542"},"products":["Linux kernel"],"published":"2023-01-11","related":[{"cvss_score":8.8,"headline":"Linux Kernel Out-of-Bounds Write","id":"CVE-2026-53266","kev_date_added":"2026-09-18","published":"2026-06-25"},{"cvss_score":8.8,"headline":"Linux Kernel Improper Input Validation","id":"CVE-2013-6282","kev_date_added":"2022-09-15","published":"2013-11-19"},{"cvss_score":8.4,"headline":"Linux Kernel Heap-Based Buffer Overflow","id":"CVE-2022-0185","kev_date_added":"2024-08-21","published":"2022-02-11"},{"cvss_score":8.4,"headline":"Linux Kernel Privilege Escalation","id":"CVE-2013-2094","kev_date_added":"2022-09-15","published":"2013-05-14"},{"cvss_score":7.8,"headline":"Linux Kernel Unspecified","id":"CVE-2026-53362","kev_date_added":"2026-08-27","published":"2026-07-04"},{"cvss_score":7.8,"headline":"Linux Kernel Missing Initialization of a Variable","id":"CVE-2026-46300","kev_date_added":"2026-10-28","published":"2026-05-23"},{"cvss_score":7.8,"headline":"Linux Kernel Race Condition","id":"CVE-2025-39964","kev_date_added":"2026-09-18","published":"2025-10-13"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"},{"class":"open","licence":"CC0","name":"PoC-in-GitHub"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2025-04-08","vendors":["n/a"]},"summary":"Local attackers can leak KASLR base addresses via prefetch side-channels on Intel systems, weakening kernel address space layout randomization.","url":"https://insights.sbomify.com/CVE-2022-4543/"}