{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2026-46151 in the wild and no public exploit code.","fix":"Apply the vendor's patch.","what":"CVE-2026-46151 is a medium-severity vulnerability in Linux kernel, published on 28 May 2026. 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-2026-46151 and fix it if it is affected.\n\nWhat it is: CVE-2026-46151 is a medium-severity vulnerability in Linux kernel, published on 28 May 2026. 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-2026-46151 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-2026-46151/ (Markdown: https://insights.sbomify.com/CVE-2026-46151/index.md)","id":"CVE-2026-46151","markdown":"https://insights.sbomify.com/CVE-2026-46151/index.md","name":"CVE-2026-46151","record":{"aliases":["AZL-88941","BELL-CVE-2026-46151","DEBIAN-CVE-2026-46151","GHSA-589q-vfc2-j9cg","ROOT-OS-DEBIAN-11-CVE-2026-46151","ROOT-OS-DEBIAN-12-CVE-2026-46151","ROOT-OS-UBUNTU-2204-CVE-2026-46151","ROOT-OS-UBUNTU-2404-CVE-2026-46151","UBUNTU-CVE-2026-46151"],"analysis":{"component_type":"kernel","fix_type":"patch","impacts":["data_read"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"Linux kernel USB driver","requires_auth":"low_privilege","summary":"A malicious USB printer can leak uninitialized kernel heap memory to local users via the usblp driver's device ID handling.","user_interaction":"not_required","vuln_class":"information_disclosure"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"Linux","cpe":[{"product":"linux_kernel","vendor":"linux"}],"cvss":{"score":5.5,"severity":"medium","source":"nvd","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"cwes":[{"id":"CWE-401","name":"Missing Release of Memory after Effective Lifetime"}],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: usblp: fix heap leak in IEEE 1284 device ID via short response\n\nusblp_ctrl_msg() collapses the usb_control_msg() return value to\n0/-errno, discarding the actual number of bytes transferred.  A broken\nprinter can complete the GET_DEVICE_ID control transfer short and the\ndriver has no way to know.\n\nusblp_cache_device_id_string() reads the 2-byte big-endian length prefix\nfrom the response and trusts it (clamped only to the buffer bounds).\nThe buffer is kmalloc(1024) at probe time. A device that sends exactly\ntwo bytes (e.g. 0x03 0xFF, claiming a 1023-byte ID) leaves\ndevice_id_string[2..1022] holding stale kmalloc heap.\n\nThat stale data is then exposed:\n  - via the ieee1284_id sysfs attribute (sprintf(\"%s\", buf+2), truncated\n    at the first NUL in the stale heap), and\n  - via the IOCNR_GET_DEVICE_ID ioctl, which copy_to_user()s the full\n    claimed length regardless of NULs, up to 1021 bytes of uninitialized\n    heap, with the leak size chosen by the device.\n\nFix this up by just zapping the buffer with zeros before each request\nsent to the device.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"usb: usblp: fix heap leak in IEEE 1284 device ID via short response","id":"CVE-2026-46151","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"linux:linux_kernel","products":["linux:linux_kernel"],"type":"information_disclosure","year":"2026"},"n_packages":0,"n_references":8,"next":{"headline":"wifi: mac80211: drop stray 'static' from fast-RX rx_result","id":"CVE-2026-46152"},"packages":[],"prev":{"headline":"fanotify: fix false positive on permission events","id":"CVE-2026-46150"},"products":["Linux"],"published":"2026-05-28","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)"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2026-10-15","vendors":["Linux"]},"summary":"A malicious USB printer can leak uninitialized kernel heap memory to local users via the usblp driver's device ID handling.","url":"https://insights.sbomify.com/CVE-2026-46151/"}