| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: mediatek: vcodec: Fix oops when HEVC init fails\n\nThe stateless HEVC decoder saves the instance pointer in the context\nregardless if the initialization worked or not. This caused a use after\nfree, when the pointer is freed in case of a failure in the deinit\nfunction.\nOnly store the instance pointer when the initialization was successful,\nto solve this issue.\n\n Hardware name: Acer Tomato (rev3 - 4) board (DT)\n pstate: 80400009 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n pc : vcodec_vpu_send_msg+0x4c/0x190 [mtk_vcodec_dec]\n lr : vcodec_send_ap_ipi+0x78/0x170 [mtk_vcodec_dec]\n sp : ffff80008750bc20\n x29: ffff80008750bc20 x28: ffff1299f6d70000 x27: 0000000000000000\n x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000\n x23: ffff80008750bc98 x22: 000000000000a003 x21: ffffd45c4cfae000\n x20: 0000000000000010 x19: ffff1299fd668310 x18: 000000000000001a\n x17: 000000040044ffff x16: ffffd45cb15dc648 x15: 0000000000000000\n x14: ffff1299c08da1c0 x13: ffffd45cb1f87a10 x12: ffffd45cb2f5fe80\n x11: 0000000000000001 x10: 0000000000001b30 x9 : ffffd45c4d12b488\n x8 : 1fffe25339380d81 x7 : 0000000000000001 x6 : ffff1299c9c06c00\n x5 : 0000000000000132 x4 : 0000000000000000 x3 : 0000000000000000\n x2 : 0000000000000010 x1 : ffff80008750bc98 x0 : 0000000000000000\n Call trace:\n vcodec_vpu_send_msg+0x4c/0x190 [mtk_vcodec_dec]\n vcodec_send_ap_ipi+0x78/0x170 [mtk_vcodec_dec]\n vpu_dec_deinit+0x1c/0x30 [mtk_vcodec_dec]\n vdec_hevc_slice_deinit+0x30/0x98 [mtk_vcodec_dec]\n vdec_if_deinit+0x38/0x68 [mtk_vcodec_dec]\n mtk_vcodec_dec_release+0x20/0x40 [mtk_vcodec_dec]\n fops_vcodec_release+0x64/0x118 [mtk_vcodec_dec]\n v4l2_release+0x7c/0x100\n __fput+0x80/0x2d8\n __fput_sync+0x58/0x70\n __arm64_sys_close+0x40/0x90\n invoke_syscall+0x50/0x128\n el0_svc_common.constprop.0+0x48/0xf0\n do_el0_svc+0x24/0x38\n el0_svc+0x38/0xd8\n el0t_64_sync_handler+0xc0/0xc8\n el0t_64_sync+0x1a8/0x1b0\n Code: d503201f f9401660 b900127f b900227f (f9400400)" |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_hevc_req_multi_if.c" |
| ], |
| "versions": [ |
| { |
| "version": "2674486aac7d9c95ceb77daf7c30f862d4295c1c", |
| "lessThan": "ec25fc3c2c1e8958a51abcfed614f81446d918c4", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "2674486aac7d9c95ceb77daf7c30f862d4295c1c", |
| "lessThan": "521ce0ea7418298d754494fe53263c23c4c78a8e", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "2674486aac7d9c95ceb77daf7c30f862d4295c1c", |
| "lessThan": "97c75ee5de060d271d80109b0c47cb6008439e5b", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_hevc_req_multi_if.c" |
| ], |
| "versions": [ |
| { |
| "version": "6.5", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "6.5", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.6.27", |
| "lessThanOrEqual": "6.6.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.8.6", |
| "lessThanOrEqual": "6.8.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.9", |
| "lessThanOrEqual": "*", |
| "status": "unaffected", |
| "versionType": "original_commit_for_fix" |
| } |
| ] |
| } |
| ], |
| "cpeApplicability": [ |
| { |
| "nodes": [ |
| { |
| "operator": "OR", |
| "negate": false, |
| "cpeMatch": [ |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.5", |
| "versionEndExcluding": "6.6.27" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.5", |
| "versionEndExcluding": "6.8.6" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.5", |
| "versionEndExcluding": "6.9" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/ec25fc3c2c1e8958a51abcfed614f81446d918c4" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/521ce0ea7418298d754494fe53263c23c4c78a8e" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/97c75ee5de060d271d80109b0c47cb6008439e5b" |
| } |
| ], |
| "title": "media: mediatek: vcodec: Fix oops when HEVC init fails", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-35921", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
