mirror of
https://github.com/CVEProject/cvelist.git
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147 lines
7.8 KiB
JSON
147 lines
7.8 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-2024-49889",
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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\next4: avoid use-after-free in ext4_ext_show_leaf()\n\nIn ext4_find_extent(), path may be freed by error or be reallocated, so\nusing a previously saved *ppath may have been freed and thus may trigger\nuse-after-free, as follows:\n\next4_split_extent\n path = *ppath;\n ext4_split_extent_at(ppath)\n path = ext4_find_extent(ppath)\n ext4_split_extent_at(ppath)\n // ext4_find_extent fails to free path\n // but zeroout succeeds\n ext4_ext_show_leaf(inode, path)\n eh = path[depth].p_hdr\n // path use-after-free !!!\n\nSimilar to ext4_split_extent_at(), we use *ppath directly as an input to\next4_ext_show_leaf(). Fix a spelling error by the way.\n\nSame problem in ext4_ext_handle_unwritten_extents(). Since 'path' is only\nused in ext4_ext_show_leaf(), remove 'path' and use *ppath directly.\n\nThis issue is triggered only when EXT_DEBUG is defined and therefore does\nnot affect functionality."
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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": "1da177e4c3f4",
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"version_value": "b0cb4561fc42"
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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": "5.10.227",
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"lessThanOrEqual": "5.10.*",
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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": "5.15.168",
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"lessThanOrEqual": "5.15.*",
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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": "6.1.113",
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"lessThanOrEqual": "6.1.*",
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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": "6.6.55",
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"lessThanOrEqual": "6.6.*",
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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": "6.10.14",
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"lessThanOrEqual": "6.10.*",
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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": "6.11.3",
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"lessThanOrEqual": "6.11.*",
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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": "6.12",
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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/b0cb4561fc4284d04e69c8a66c8504928ab2484e",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/b0cb4561fc4284d04e69c8a66c8504928ab2484e"
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},
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{
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"url": "https://git.kernel.org/stable/c/4999fed877bb64e3e7f9ab9996de2ca983c41928",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/4999fed877bb64e3e7f9ab9996de2ca983c41928"
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},
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{
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"url": "https://git.kernel.org/stable/c/2eba3b0cc5b8de624918d21f32b5b8db59a90b39",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/2eba3b0cc5b8de624918d21f32b5b8db59a90b39"
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},
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{
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"url": "https://git.kernel.org/stable/c/34b2096380ba475771971a778a478661a791aa15",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/34b2096380ba475771971a778a478661a791aa15"
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},
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{
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"url": "https://git.kernel.org/stable/c/8b114f2cc7dd5d36729d040b68432fbd0f0a8868",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/8b114f2cc7dd5d36729d040b68432fbd0f0a8868"
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},
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{
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"url": "https://git.kernel.org/stable/c/d483c7cc1796bd6a80e7b3a8fd494996260f6b67",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/d483c7cc1796bd6a80e7b3a8fd494996260f6b67"
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},
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{
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"url": "https://git.kernel.org/stable/c/4e2524ba2ca5f54bdbb9e5153bea00421ef653f5",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/4e2524ba2ca5f54bdbb9e5153bea00421ef653f5"
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}
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]
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},
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"generator": {
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"engine": "bippy-8e903de6a542"
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}
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} |