{"id":"CVE-2026-23328","state":"PUBLISHED","title":"accel/amdxdna: Fix NULL pointer dereference of mgmt_chann","description":"In the Linux kernel, the following vulnerability has been resolved:\n\naccel/amdxdna: Fix NULL pointer dereference of mgmt_chann\n\nmgmt_chann may be set to NULL if the firmware returns an unexpected\nerror in aie2_send_mgmt_msg_wait(). This can later lead to a NULL\npointer dereference in aie2_hw_stop().\n\nFix this by introducing a dedicated helper to destroy mgmt_chann\nand by adding proper NULL checks before accessing it.","publishedAt":"2026-03-25T10:27:20.559Z","updatedAt":"2026-10-15T10:06:57.247Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b87f920b934426a24d54613f12ed67c03ae05024","status":"affected","lessThan":"6b3546e3a8c664fb8b97f587fd268dc6e413d79b","versionType":"git"},{"version":"b87f920b934426a24d54613f12ed67c03ae05024","status":"affected","lessThan":"032ca7a9059c4ba6c329e0f1b442dab54dd9c3e5","versionType":"git"},{"version":"b87f920b934426a24d54613f12ed67c03ae05024","status":"affected","lessThan":"6270ee26e1edd862ea17e3eba148ca8fb2c99dc9","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/accel/amdxdna/aie2_message.c","drivers/accel/amdxdna/aie2_pci.c","drivers/accel/amdxdna/aie2_pci.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.14","versionType":"semver"},{"version":"6.18.57","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.7","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/accel/amdxdna/aie2_message.c","drivers/accel/amdxdna/aie2_pci.c","drivers/accel/amdxdna/aie2_pci.h"]}],"references":["https://git.kernel.org/stable/c/6b3546e3a8c664fb8b97f587fd268dc6e413d79b","https://git.kernel.org/stable/c/032ca7a9059c4ba6c329e0f1b442dab54dd9c3e5","https://git.kernel.org/stable/c/6270ee26e1edd862ea17e3eba148ca8fb2c99dc9"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/23xxx/CVE-2026-23328.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23328","state":"PUBLISHED","datePublished":"2026-03-25T10:27:20.559Z","dateUpdated":"2026-10-15T10:06:57.247Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:37:45.996Z"},"containers":{"cna":{"title":"accel/amdxdna: Fix NULL pointer dereference of mgmt_chann","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\naccel/amdxdna: Fix NULL pointer dereference of mgmt_chann\n\nmgmt_chann may be set to NULL if the firmware returns an unexpected\nerror in aie2_send_mgmt_msg_wait(). This can later lead to a NULL\npointer dereference in aie2_hw_stop().\n\nFix this by introducing a dedicated helper to destroy mgmt_chann\nand by adding proper NULL checks before accessing it."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b87f920b934426a24d54613f12ed67c03ae05024","status":"affected","lessThan":"6b3546e3a8c664fb8b97f587fd268dc6e413d79b","versionType":"git"},{"version":"b87f920b934426a24d54613f12ed67c03ae05024","status":"affected","lessThan":"032ca7a9059c4ba6c329e0f1b442dab54dd9c3e5","versionType":"git"},{"version":"b87f920b934426a24d54613f12ed67c03ae05024","status":"affected","lessThan":"6270ee26e1edd862ea17e3eba148ca8fb2c99dc9","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/accel/amdxdna/aie2_message.c","drivers/accel/amdxdna/aie2_pci.c","drivers/accel/amdxdna/aie2_pci.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.14","versionType":"semver"},{"version":"6.18.57","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.7","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/accel/amdxdna/aie2_message.c","drivers/accel/amdxdna/aie2_pci.c","drivers/accel/amdxdna/aie2_pci.h"]}],"references":[{"url":"https://git.kernel.org/stable/c/6b3546e3a8c664fb8b97f587fd268dc6e413d79b"},{"url":"https://git.kernel.org/stable/c/032ca7a9059c4ba6c329e0f1b442dab54dd9c3e5"},{"url":"https://git.kernel.org/stable/c/6270ee26e1edd862ea17e3eba148ca8fb2c99dc9"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-15T10:06:57.247Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14","versionEndExcluding":"6.18.57"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14","versionEndExcluding":"6.19.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}