{ "document": { "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings." } ], "publisher": { "category": "coordinator", "contact_details": "cert@ncsc.nl", "name": "National Cyber Security Centre", "namespace": "https://www.ncsc.nl/" }, "title": "CVE-2026-10659", "tracking": { "current_release_date": "2026-09-05T15:45:36.667158Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-10659", "initial_release_date": "2026-07-07T13:31:06.623005Z", "revision_history": [ { "date": "2026-07-07T13:31:06.623005Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-07-07T13:31:11.411148Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-07-07T13:38:37.622950Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| References created (2).| CWES updated (1)." }, { "date": "2026-07-07T13:38:44.356847Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-07-07T14:53:57.370451Z", "number": "5", "summary": "Unknown change." }, { "date": "2026-07-07T15:35:04.045494Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-07-08T16:21:53.824311Z", "number": "7", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-07-08T16:22:01.252421Z", "number": "8", "summary": "NCSC Score updated." }, { "date": "2026-07-09T06:37:52.351128Z", "number": "9", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (156).| References created (4).| CWES updated (1)." }, { "date": "2026-07-09T06:38:07.601461Z", "number": "10", "summary": "NCSC Score updated." }, { "date": "2026-07-09T18:27:56.594232Z", "number": "11", "summary": "Products connected (1).| Product Identifiers created (1).| Exploits created (1)." }, { "date": "2026-07-09T18:27:58.755867Z", "number": "12", "summary": "NCSC Score updated." }, { "date": "2026-07-10T15:41:43.609456Z", "number": "13", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-07-10T15:41:45.250914Z", "number": "14", "summary": "NCSC Score updated." }, { "date": "2026-08-11T15:11:52.915058Z", "number": "15", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-08-11T15:13:11.107677Z", "number": "16", "summary": "NCSC Score updated." }, { "date": "2026-08-31T23:38:43.865921Z", "number": "17", "summary": "Products connected (1).| Products removed (1)." }, { "date": "2026-08-31T23:38:45.717053Z", "number": "18", "summary": "NCSC Score updated." }, { "date": "2026-09-01T12:34:03.949479Z", "number": "19", "summary": "Products connected (3).| Products removed (155)." }, { "date": "2026-09-02T10:45:46.076161Z", "number": "20", "summary": "EPSS updated." }, { "date": "2026-09-02T23:35:02.511148Z", "number": "21", "summary": "NCSC Score updated." }, { "date": "2026-09-03T14:38:16.150311Z", "number": "22", "summary": "EPSS updated." }, { "date": "2026-09-03T19:01:41.550030Z", "number": "23", "summary": "EPSS updated." }, { "date": "2026-09-04T15:47:42.003178Z", "number": "24", "summary": "EPSS updated." }, { "date": "2026-09-04T15:47:43.009906Z", "number": "25", "summary": "NCSC Score updated." }, { "date": "2026-09-05T15:45:34.375185Z", "number": "26", "summary": "EPSS updated." } ], "status": "interim", "version": "26" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:semver/4.4.0|<4.4.2", "product": { "name": "vers:semver/4.4.0|<4.4.2", "product_id": "CSAFPID-8959022" } }, { "category": "product_version_range", "name": "vers:unknown/4.4.0", "product": { "name": "vers:unknown/4.4.0", "product_id": "CSAFPID-8468196", "product_identification_helper": { "cpe": "cpe:2.3:o:zephyrproject:zephyr:4.4.0:*:*:*:*:*:*:*" } } } ], "category": "product_name", "name": "Zephyr" } ], "category": "vendor", "name": "Zephyrproject" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/v4.4.0", "product": { "name": "vers:unknown/v4.4.0", "product_id": "CSAFPID-8570143" } }, { "category": "product_version_range", "name": "vers:unknown/v4.4.1", "product": { "name": "vers:unknown/v4.4.1", "product_id": "CSAFPID-8876795" } }, { "category": "product_version_range", "name": "vers:unknown/v4.4.1-rc1", "product": { "name": "vers:unknown/v4.4.1-rc1", "product_id": "CSAFPID-8875133" } }, { "category": "product_version_range", "name": "vers:unknown/v4.4.2-rc1", "product": { "name": "vers:unknown/v4.4.2-rc1", "product_id": "CSAFPID-8960521" } } ], "category": "product_name", "name": "zephyr" } ], "category": "vendor", "name": "zephyrproject-rtos" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-10659", "cwe": { "id": "CWE-476", "name": "NULL Pointer Dereference" }, "notes": [ { "category": "description", "text": "The Dhara flash translation layer disk driver (drivers/disk/ftl_dhara.c) implemented the dhara_nand_ callbacks so that, on a flash error, the error code was written unconditionally through the caller-supplied dhara_error_t err pointer (e.g. *err = DHARA_E_ECC in dhara_nand_read, and similar in dhara_nand_erase/prog/copy). The upstream Dhara library calls these callbacks with err == NULL along its journal-resume binary search: find_last_checkblock() invokes find_checkblock(j, mid, &found, NULL), which forwards the NULL pointer into dhara_nand_read(). This path runs during disk_ftl_access_init() -> dhara_map_resume() whenever the FTL disk is mounted/initialised. If a flash read error (uncorrectable ECC, bad block, controller error) occurs on one of the probed checkpoint pages, the driver dereferences and writes to NULL, faulting the kernel (denial of service). The trigger is conditioned on the NAND medium content/health, which can be influenced by media wear, induced faults, or a corrupted/crafted on-flash image. The fix routes all error assignments through the library's NULL-safe dhara_set_error() helper. Affects Zephyr v4.4.0, where the driver was introduced.", "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/10xxx/CVE-2026-10659.json" }, { "category": "description", "text": "The Dhara flash translation layer disk driver (drivers/disk/ftl_dhara.c) implemented the dhara_nand_ callbacks so that, on a flash error, the error code was written unconditionally through the caller-supplied dhara_error_t err pointer (e.g. *err = DHARA_E_ECC in dhara_nand_read, and similar in dhara_nand_erase/prog/copy). The upstream Dhara library calls these callbacks with err == NULL along its journal-resume binary search: find_last_checkblock() invokes find_checkblock(j, mid, &found, NULL), which forwards the NULL pointer into dhara_nand_read(). This path runs during disk_ftl_access_init() -> dhara_map_resume() whenever the FTL disk is mounted/initialised. If a flash read error (uncorrectable ECC, bad block, controller error) occurs on one of the probed checkpoint pages, the driver dereferences and writes to NULL, faulting the kernel (denial of service). The trigger is conditioned on the NAND medium content/health, which can be influenced by media wear, induced faults, or a corrupted/crafted on-flash image. The fix routes all error assignments through the library's NULL-safe dhara_set_error() helper. Affects Zephyr v4.4.0, where the driver was introduced.", "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-10659" }, { "category": "description", "text": "The Dhara flash translation layer disk driver (drivers/disk/ftl_dhara.c) implemented the dhara_nand_ callbacks so that, on a flash error, the error code was written unconditionally through the caller-supplied dhara_error_t err pointer (e.g. *err = DHARA_E_ECC in dhara_nand_read, and similar in dhara_nand_erase/prog/copy). The upstream Dhara library calls these callbacks with err == NULL along its journal-resume binary search: find_last_checkblock() invokes find_checkblock(j, mid, &found, NULL), which forwards the NULL pointer into dhara_nand_read(). This path runs during disk_ftl_access_init() -> dhara_map_resume() whenever the FTL disk is mounted/initialised. If a flash read error (uncorrectable ECC, bad block, controller error) occurs on one of the probed checkpoint pages, the driver dereferences and writes to NULL, faulting the kernel (denial of service). The trigger is conditioned on the NAND medium content/health, which can be influenced by media wear, induced faults, or a corrupted/crafted on-flash image. The fix routes all error assignments through the library's NULL-safe dhara_set_error() helper. Affects Zephyr v4.4.0, where the driver was introduced.", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-10659.json?alt=media" }, { "category": "other", "text": "0.00133", "title": "EPSS" }, { "category": "other", "text": "3.4", "title": "NCSC Score" }, { "category": "other", "text": "Is related to (a version of) an uncommon product, Exploit code publicly available, Is related to an uncommon product vendor, The value of the most recent CVSS (V3) score, There is exploit data available from source Nvd", "title": "NCSC Score top decreasing factors" } ], "product_status": { "known_affected": [ "CSAFPID-8570143", "CSAFPID-8468196", "CSAFPID-8959022", "CSAFPID-8875133", "CSAFPID-8876795", "CSAFPID-8960521" ] }, "references": [ { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/10xxx/CVE-2026-10659.json" }, { "category": "external", "summary": "Source - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-10659" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-10659.json?alt=media" }, { "category": "external", "summary": "Source - ncscclear", "url": "https://vulnerabilities.ncsc.nl/manual/CVE-2026-10659" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; osv", "url": "https://github.com/zephyrproject-rtos/zephyr/commit/a8371b0d4719efe37a66e2abb618ad9b81792212" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; osv", "url": "https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-q28v-3729-f82g" }, { "category": "external", "summary": "Reference - osv", "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/10xxx/CVE-2026-10659.json" }, { "category": "external", "summary": "Reference - osv", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-10659" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 4.7, "baseSeverity": "MEDIUM" }, "products": [ "CSAFPID-8468196", "CSAFPID-8570143", "CSAFPID-8875133", "CSAFPID-8876795", "CSAFPID-8959022", "CSAFPID-8960521" ] } ], "title": "CVE-2026-10659" } ] }