mirror of
https://github.com/CVEProject/cvelist.git
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129 lines
6.9 KiB
JSON
129 lines
6.9 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-2024-26731",
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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\nbpf, sockmap: Fix NULL pointer dereference in sk_psock_verdict_data_ready()\n\nsyzbot reported the following NULL pointer dereference issue [1]:\n\n BUG: kernel NULL pointer dereference, address: 0000000000000000\n [...]\n RIP: 0010:0x0\n [...]\n Call Trace:\n <TASK>\n sk_psock_verdict_data_ready+0x232/0x340 net/core/skmsg.c:1230\n unix_stream_sendmsg+0x9b4/0x1230 net/unix/af_unix.c:2293\n sock_sendmsg_nosec net/socket.c:730 [inline]\n __sock_sendmsg+0x221/0x270 net/socket.c:745\n ____sys_sendmsg+0x525/0x7d0 net/socket.c:2584\n ___sys_sendmsg net/socket.c:2638 [inline]\n __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2667\n do_syscall_64+0xf9/0x240\n entry_SYSCALL_64_after_hwframe+0x6f/0x77\n\nIf sk_psock_verdict_data_ready() and sk_psock_stop_verdict() are called\nconcurrently, psock->saved_data_ready can be NULL, causing the above issue.\n\nThis patch fixes this issue by calling the appropriate data ready function\nusing the sk_psock_data_ready() helper and protecting it from concurrency\nwith sk->sk_callback_lock."
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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": "dd628fc697ee",
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"version_value": "4588b13abcbd"
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},
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{
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"version_affected": "<",
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"version_name": "6df7f764cd3c",
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"version_value": "9b099ed46dca"
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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": "6.4",
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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": "6.4",
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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": "6.1.80",
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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": "6.6.19",
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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": "6.7.7",
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"lessThanOrEqual": "6.7.*",
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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": "6.8",
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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/4588b13abcbd561ec67f5b3c1cb2eff690990a54",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/4588b13abcbd561ec67f5b3c1cb2eff690990a54"
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},
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{
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"url": "https://git.kernel.org/stable/c/9b099ed46dcaf1403c531ff02c3d7400fa37fa26",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/9b099ed46dcaf1403c531ff02c3d7400fa37fa26"
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},
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{
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"url": "https://git.kernel.org/stable/c/d61608a4e394f23e0dca099df9eb8e555453d949",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/d61608a4e394f23e0dca099df9eb8e555453d949"
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},
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{
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"url": "https://git.kernel.org/stable/c/4cd12c6065dfcdeba10f49949bffcf383b3952d8",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/4cd12c6065dfcdeba10f49949bffcf383b3952d8"
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}
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]
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},
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"generator": {
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"engine": "bippy-9e1c9544281a"
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}
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} |