172 lines
11 KiB
JSON
172 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-2023-54241",
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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": "2025-12-30T12:06:44.509Z",
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"datePublished": "2025-12-30T12:11:29.726Z",
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"dateUpdated": "2026-05-11T19:58:10.970Z"
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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": "2026-05-11T19:58:10.970Z"
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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\nMIPS: KVM: Fix NULL pointer dereference\n\nAfter commit 45c7e8af4a5e3f0bea4ac209 (\"MIPS: Remove KVM_TE support\") we\nget a NULL pointer dereference when creating a KVM guest:\n\n[ 146.243409] Starting KVM with MIPS VZ extensions\n[ 149.849151] CPU 3 Unable to handle kernel paging request at virtual address 0000000000000300, epc == ffffffffc06356ec, ra == ffffffffc063568c\n[ 149.849177] Oops[#1]:\n[ 149.849182] CPU: 3 PID: 2265 Comm: qemu-system-mip Not tainted 6.4.0-rc3+ #1671\n[ 149.849188] Hardware name: THTF CX TL630 Series/THTF-LS3A4000-7A1000-ML4A, BIOS KL4.1F.TF.D.166.201225.R 12/25/2020\n[ 149.849192] $ 0 : 0000000000000000 000000007400cce0 0000000000400004 ffffffff8119c740\n[ 149.849209] $ 4 : 000000007400cce1 000000007400cce1 0000000000000000 0000000000000000\n[ 149.849221] $ 8 : 000000240058bb36 ffffffff81421ac0 0000000000000000 0000000000400dc0\n[ 149.849233] $12 : 9800000102a07cc8 ffffffff80e40e38 0000000000000001 0000000000400dc0\n[ 149.849245] $16 : 0000000000000000 9800000106cd0000 9800000106cd0000 9800000100cce000\n[ 149.849257] $20 : ffffffffc0632b28 ffffffffc05b31b0 9800000100ccca00 0000000000400000\n[ 149.849269] $24 : 9800000106cd09ce ffffffff802f69d0\n[ 149.849281] $28 : 9800000102a04000 9800000102a07cd0 98000001106a8000 ffffffffc063568c\n[ 149.849293] Hi : 00000335b2111e66\n[ 149.849295] Lo : 6668d90061ae0ae9\n[ 149.849298] epc : ffffffffc06356ec kvm_vz_vcpu_setup+0xc4/0x328 [kvm]\n[ 149.849324] ra : ffffffffc063568c kvm_vz_vcpu_setup+0x64/0x328 [kvm]\n[ 149.849336] Status: 7400cce3 KX SX UX KERNEL EXL IE\n[ 149.849351] Cause : 1000000c (ExcCode 03)\n[ 149.849354] BadVA : 0000000000000300\n[ 149.849357] PrId : 0014c004 (ICT Loongson-3)\n[ 149.849360] Modules linked in: kvm nfnetlink_queue nfnetlink_log nfnetlink fuse sha256_generic libsha256 cfg80211 rfkill binfmt_misc vfat fat snd_hda_codec_hdmi input_leds led_class snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hda_core snd_pcm snd_timer snd serio_raw xhci_pci radeon drm_suballoc_helper drm_display_helper xhci_hcd ip_tables x_tables\n[ 149.849432] Process qemu-system-mip (pid: 2265, threadinfo=00000000ae2982d2, task=0000000038e09ad4, tls=000000ffeba16030)\n[ 149.849439] Stack : 9800000000000003 9800000100ccca00 9800000100ccc000 ffffffffc062cef4\n[ 149.849453] 9800000102a07d18 c89b63a7ab338e00 0000000000000000 ffffffff811a0000\n[ 149.849465] 0000000000000000 9800000106cd0000 ffffffff80e59938 98000001106a8920\n[ 149.849476] ffffffff80e57f30 ffffffffc062854c ffffffff811a0000 9800000102bf4240\n[ 149.849488] ffffffffc05b0000 ffffffff80e3a798 000000ff78000000 000000ff78000010\n[ 149.849500] 0000000000000255 98000001021f7de0 98000001023f0078 ffffffff81434000\n[ 149.849511] 0000000000000000 0000000000000000 9800000102ae0000 980000025e92ae28\n[ 149.849523] 0000000000000000 c89b63a7ab338e00 0000000000000001 ffffffff8119dce0\n[ 149.849535] 000000ff78000010 ffffffff804f3d3c 9800000102a07eb0 0000000000000255\n[ 149.849546] 0000000000000000 ffffffff8049460c 000000ff78000010 0000000000000255\n[ 149.849558] ...\n[ 149.849565] Call Trace:\n[ 149.849567] [<ffffffffc06356ec>] kvm_vz_vcpu_setup+0xc4/0x328 [kvm]\n[ 149.849586] [<ffffffffc062cef4>] kvm_arch_vcpu_create+0x184/0x228 [kvm]\n[ 149.849605] [<ffffffffc062854c>] kvm_vm_ioctl+0x64c/0xf28 [kvm]\n[ 149.849623] [<ffffffff805209c0>] sys_ioctl+0xc8/0x118\n[ 149.849631] [<ffffffff80219eb0>] syscall_common+0x34/0x58\n\nThe root cause is the deletion of kvm_mips_commpage_init() leaves vcpu\n->arch.cop0 NULL. So fix it by making cop0 from a pointer to an embedded\nobject."
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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/mips/include/asm/kvm_host.h",
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"arch/mips/kvm/emulate.c",
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"arch/mips/kvm/mips.c",
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"arch/mips/kvm/trace.h",
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"arch/mips/kvm/vz.c"
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],
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"versions": [
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{
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"version": "45c7e8af4a5e3f0bea4ac209eea34118dd57ac64",
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"lessThan": "cd517f9a9d07d41f4f3593b1da3982261e09d162",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "45c7e8af4a5e3f0bea4ac209eea34118dd57ac64",
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"lessThan": "bd9cf2a5f9e1b2229ad22f21de6f6ad1a9c8858e",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "45c7e8af4a5e3f0bea4ac209eea34118dd57ac64",
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"lessThan": "6b9fb255d53759e3ea9b30067cb55091df1caf06",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "45c7e8af4a5e3f0bea4ac209eea34118dd57ac64",
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"lessThan": "e4de2057698636c0ee709e545d19b169d2069fa3",
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"status": "affected",
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"versionType": "git"
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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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"programFiles": [
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"arch/mips/include/asm/kvm_host.h",
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"arch/mips/kvm/emulate.c",
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"arch/mips/kvm/mips.c",
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"arch/mips/kvm/trace.h",
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"arch/mips/kvm/vz.c"
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],
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"versions": [
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{
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"version": "5.13",
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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": "5.13",
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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": "5.15.121",
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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": "6.1.40",
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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": "6.4.5",
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"lessThanOrEqual": "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": "6.5",
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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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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.13",
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"versionEndExcluding": "5.15.121"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.13",
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"versionEndExcluding": "6.1.40"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.13",
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"versionEndExcluding": "6.4.5"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.13",
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"versionEndExcluding": "6.5"
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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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{
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"url": "https://git.kernel.org/stable/c/cd517f9a9d07d41f4f3593b1da3982261e09d162"
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},
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{
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"url": "https://git.kernel.org/stable/c/bd9cf2a5f9e1b2229ad22f21de6f6ad1a9c8858e"
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},
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{
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"url": "https://git.kernel.org/stable/c/6b9fb255d53759e3ea9b30067cb55091df1caf06"
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},
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{
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"url": "https://git.kernel.org/stable/c/e4de2057698636c0ee709e545d19b169d2069fa3"
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}
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],
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"title": "MIPS: KVM: Fix NULL pointer dereference",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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}
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}
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} |