249 lines
11 KiB
JSON
249 lines
11 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2025-38723",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2025-04-16T04:51:24.033Z",
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"datePublished": "2025-09-04T15:33:16.547Z",
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"dateUpdated": "2026-05-12T12:05:52.998Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-05-11T21:33:44.278Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nLoongArch: BPF: Fix jump offset calculation in tailcall\n\nThe extra pass of bpf_int_jit_compile() skips JIT context initialization\nwhich essentially skips offset calculation leaving out_offset = -1, so\nthe jmp_offset in emit_bpf_tail_call is calculated by\n\n\"#define jmp_offset (out_offset - (cur_offset))\"\n\nis a negative number, which is wrong. The final generated assembly are\nas follow.\n\n54:\tbgeu \t$a2, $t1, -8\t # 0x0000004c\n58:\taddi.d \t$a6, $s5, -1\n5c:\tbltz \t$a6, -16\t # 0x0000004c\n60:\talsl.d \t$t2, $a2, $a1, 0x3\n64:\tld.d \t$t2, $t2, 264\n68:\tbeq \t$t2, $zero, -28\t # 0x0000004c\n\nBefore apply this patch, the follow test case will reveal soft lock issues.\n\ncd tools/testing/selftests/bpf/\n./test_progs --allow=tailcalls/tailcall_bpf2bpf_1\n\ndmesg:\nwatchdog: BUG: soft lockup - CPU#2 stuck for 26s! [test_progs:25056]"
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"arch/loongarch/net/bpf_jit.c"
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],
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"status": "affected",
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"version": "5dc615520c4dfb358245680f1904bad61116648e",
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"lessThan": "9262e3e04621558e875eb5afb5e726b648cd5949",
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"status": "affected",
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"arch/loongarch/net/bpf_jit.c"
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],
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"versions": [
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{
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"version": "6.1",
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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": "6.1",
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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": "6.1.149",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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{
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"version": "6.6.103",
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"lessThanOrEqual": "6.6.*",
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},
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{
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"version": "6.12.43",
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"lessThanOrEqual": "6.12.*",
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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": "6.15.11",
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"lessThanOrEqual": "6.15.*",
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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": "6.16.2",
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"lessThanOrEqual": "6.16.*",
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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": "6.17",
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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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}
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],
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"cpeApplicability": [
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"references": [
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"url": "https://git.kernel.org/stable/c/1a782fa32e644aa9fbae6c8488f3e61221ac96e1"
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"url": "https://git.kernel.org/stable/c/f2b5e50cc04d7a049b385bc1c93b9cbf5f10c94f"
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{
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"url": "https://git.kernel.org/stable/c/9262e3e04621558e875eb5afb5e726b648cd5949"
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{
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"url": "https://git.kernel.org/stable/c/cd39d9e6b7e4c58fa77783e7aedf7ada51d02ea3"
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}
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],
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"title": "LoongArch: BPF: Fix jump offset calculation in tailcall",
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"title": "CVE Program Container",
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"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"
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} |