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https://github.com/CVEProject/cvelist.git
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113 lines
5.9 KiB
JSON
113 lines
5.9 KiB
JSON
{
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"data_version": "4.0",
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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-2022-49464",
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"ASSIGNER": "cve@kernel.org",
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"STATE": "PUBLIC"
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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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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: fix buffer copy overflow of ztailpacking feature\n\nI got some KASAN report as below:\n\n[ 46.959738] ==================================================================\n[ 46.960430] BUG: KASAN: use-after-free in z_erofs_shifted_transform+0x2bd/0x370\n[ 46.960430] Read of size 4074 at addr ffff8880300c2f8e by task fssum/188\n...\n[ 46.960430] Call Trace:\n[ 46.960430] <TASK>\n[ 46.960430] dump_stack_lvl+0x41/0x5e\n[ 46.960430] print_report.cold+0xb2/0x6b7\n[ 46.960430] ? z_erofs_shifted_transform+0x2bd/0x370\n[ 46.960430] kasan_report+0x8a/0x140\n[ 46.960430] ? z_erofs_shifted_transform+0x2bd/0x370\n[ 46.960430] kasan_check_range+0x14d/0x1d0\n[ 46.960430] memcpy+0x20/0x60\n[ 46.960430] z_erofs_shifted_transform+0x2bd/0x370\n[ 46.960430] z_erofs_decompress_pcluster+0xaae/0x1080\n\nThe root cause is that the tail pcluster won't be a complete filesystem\nblock anymore. So if ztailpacking is used, the second part of an\nuncompressed tail pcluster may not be ``rq->pageofs_out``."
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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": "ab749badf9f41f32509cd103391b81ea7e684b76",
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"version_value": "4d53a625f29074e7b8236c2c0e0922edb7608df9"
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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": "5.17",
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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": "5.17",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.17.14",
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"lessThanOrEqual": "5.17.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.18.3",
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"lessThanOrEqual": "5.18.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.19",
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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/4d53a625f29074e7b8236c2c0e0922edb7608df9",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/4d53a625f29074e7b8236c2c0e0922edb7608df9"
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},
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{
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"url": "https://git.kernel.org/stable/c/6b59e1907f58cf877c563dcf013159eb9f994b64",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/6b59e1907f58cf877c563dcf013159eb9f994b64"
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},
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{
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"url": "https://git.kernel.org/stable/c/dcbe6803fffd387f72b48c2373b5f5ed12a5804b",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/dcbe6803fffd387f72b48c2373b5f5ed12a5804b"
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}
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]
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},
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"generator": {
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"engine": "bippy-5f407fcff5a0"
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}
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} |