2024-05-17 14:01:01 +00:00
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{
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2024-05-19 11:00:34 +00:00
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"data_version": "4.0",
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2024-05-17 14:01:01 +00:00
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"data_type": "CVE",
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"data_format": "MITRE",
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"CVE_data_meta": {
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"ID": "CVE-2024-35921",
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2024-05-19 11:00:34 +00:00
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"ASSIGNER": "cve@kernel.org",
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"STATE": "PUBLIC"
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2024-05-17 14:01:01 +00:00
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},
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"description": {
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"description_data": [
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{
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"lang": "eng",
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2024-05-19 11:00:34 +00:00
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"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)"
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}
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]
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},
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"problemtype": {
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"problemtype_data": [
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{
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"description": [
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{
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"lang": "eng",
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"value": "n/a"
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}
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]
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}
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]
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},
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"affects": {
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"vendor": {
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"vendor_data": [
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{
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"vendor_name": "Linux",
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"product": {
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"product_data": [
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{
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"product_name": "Linux",
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"version": {
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"version_data": [
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{
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"version_affected": "<",
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"version_name": "2674486aac7d",
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"version_value": "ec25fc3c2c1e"
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},
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{
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"version_value": "not down converted",
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"x_cve_json_5_version_data": {
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"versions": [
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{
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"version": "6.5",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "6.5",
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"status": "unaffected",
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2024-11-05 10:01:15 +00:00
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"versionType": "semver"
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2024-05-19 11:00:34 +00:00
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},
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{
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"version": "6.6.27",
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"lessThanOrEqual": "6.6.*",
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"status": "unaffected",
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2024-11-05 10:01:15 +00:00
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"versionType": "semver"
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2024-05-19 11:00:34 +00:00
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},
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{
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"version": "6.8.6",
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"lessThanOrEqual": "6.8.*",
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"status": "unaffected",
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2024-11-05 10:01:15 +00:00
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"versionType": "semver"
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2024-05-19 11:00:34 +00:00
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},
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{
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"version": "6.9",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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],
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"defaultStatus": "affected"
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}
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}
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]
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}
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}
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]
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}
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}
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]
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}
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},
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"references": {
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"reference_data": [
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{
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"url": "https://git.kernel.org/stable/c/ec25fc3c2c1e8958a51abcfed614f81446d918c4",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/ec25fc3c2c1e8958a51abcfed614f81446d918c4"
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},
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{
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"url": "https://git.kernel.org/stable/c/521ce0ea7418298d754494fe53263c23c4c78a8e",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/521ce0ea7418298d754494fe53263c23c4c78a8e"
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},
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{
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"url": "https://git.kernel.org/stable/c/97c75ee5de060d271d80109b0c47cb6008439e5b",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/97c75ee5de060d271d80109b0c47cb6008439e5b"
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2024-05-17 14:01:01 +00:00
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}
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]
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2024-05-19 11:00:34 +00:00
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},
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"generator": {
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2024-11-05 10:01:15 +00:00
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"engine": "bippy-9e1c9544281a"
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2024-05-17 14:01:01 +00:00
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}
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}
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