CVE-2024-45005

{"id": "CVE-2024-45005", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2024-09-04T20:15:08.940", "references": [{"url": "https://git.kernel.org/stable/c/027ac3c5092561bccce09b314a73a1c167117ef6", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/051c0a558154174cfcea301a386e4c91ade83ce1", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/5a44bb061d04b0306f2aa8add761d86d152b9377", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-908"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: s390: fix validity interception issue when gisa is switched off\n\nWe might run into a SIE validity if gisa has been disabled either via using\nkernel parameter \"kvm.use_gisa=0\" or by setting the related sysfs\nattribute to N (echo N >/sys/module/kvm/parameters/use_gisa).\n\nThe validity is caused by an invalid value in the SIE control block's\ngisa designation. That happens because we pass the uninitialized gisa\norigin to virt_to_phys() before writing it to the gisa designation.\n\nTo fix this we return 0 in kvm_s390_get_gisa_desc() if the origin is 0.\nkvm_s390_get_gisa_desc() is used to determine which gisa designation to\nset in the SIE control block. A value of 0 in the gisa designation disables\ngisa usage.\n\nThe issue surfaces in the host kernel with the following kernel message as\nsoon a new kvm guest start is attemted.\n\nkvm: unhandled validity intercept 0x1011\nWARNING: CPU: 0 PID: 781237 at arch/s390/kvm/intercept.c:101 kvm_handle_sie_intercept+0x42e/0x4d0 [kvm]\nModules linked in: vhost_net tap tun xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT xt_tcpudp nft_compat x_tables nf_nat_tftp nf_conntrack_tftp vfio_pci_core irqbypass vhost_vsock vmw_vsock_virtio_transport_common vsock vhost vhost_iotlb kvm nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables sunrpc mlx5_ib ib_uverbs ib_core mlx5_core uvdevice s390_trng eadm_sch vfio_ccw zcrypt_cex4 mdev vfio_iommu_type1 vfio sch_fq_codel drm i2c_core loop drm_panel_orientation_quirks configfs nfnetlink lcs ctcm fsm dm_service_time ghash_s390 prng chacha_s390 libchacha aes_s390 des_s390 libdes sha3_512_s390 sha3_256_s390 sha512_s390 sha256_s390 sha1_s390 sha_common dm_mirror dm_region_hash dm_log zfcp scsi_transport_fc scsi_dh_rdac scsi_dh_emc scsi_dh_alua pkey zcrypt dm_multipath rng_core autofs4 [last unloaded: vfio_pci]\nCPU: 0 PID: 781237 Comm: CPU 0/KVM Not tainted 6.10.0-08682-gcad9f11498ea #6\nHardware name: IBM 3931 A01 701 (LPAR)\nKrnl PSW : 0704c00180000000 000003d93deb0122 (kvm_handle_sie_intercept+0x432/0x4d0 [kvm])\n R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:0 PM:0 RI:0 EA:3\nKrnl GPRS: 000003d900000027 000003d900000023 0000000000000028 000002cd00000000\n 000002d063a00900 00000359c6daf708 00000000000bebb5 0000000000001eff\n 000002cfd82e9000 000002cfd80bc000 0000000000001011 000003d93deda412\n 000003ff8962df98 000003d93de77ce0 000003d93deb011e 00000359c6daf960\nKrnl Code: 000003d93deb0112: c020fffe7259\tlarl\t%r2,000003d93de7e5c4\n 000003d93deb0118: c0e53fa8beac\tbrasl\t%r14,000003d9bd3c7e70\n #000003d93deb011e: af000000\t\tmc\t0,0\n >000003d93deb0122: a728ffea\t\tlhi\t%r2,-22\n 000003d93deb0126: a7f4fe24\t\tbrc\t15,000003d93deafd6e\n 000003d93deb012a: 9101f0b0\t\ttm\t176(%r15),1\n 000003d93deb012e: a774fe48\t\tbrc\t7,000003d93deafdbe\n 000003d93deb0132: 40a0f0ae\t\tsth\t%r10,174(%r15)\nCall Trace:\n [<000003d93deb0122>] kvm_handle_sie_intercept+0x432/0x4d0 [kvm]\n([<000003d93deb011e>] kvm_handle_sie_intercept+0x42e/0x4d0 [kvm])\n [<000003d93deacc10>] vcpu_post_run+0x1d0/0x3b0 [kvm]\n [<000003d93deaceda>] __vcpu_run+0xea/0x2d0 [kvm]\n [<000003d93dead9da>] kvm_arch_vcpu_ioctl_run+0x16a/0x430 [kvm]\n [<000003d93de93ee0>] kvm_vcpu_ioctl+0x190/0x7c0 [kvm]\n [<000003d9bd728b4e>] vfs_ioctl+0x2e/0x70\n [<000003d9bd72a092>] __s390x_sys_ioctl+0xc2/0xd0\n [<000003d9be0e9222>] __do_syscall+0x1f2/0x2e0\n [<000003d9be0f9a90>] system_call+0x70/0x98\nLast Breaking-Event-Address:\n [<000003d9bd3c7f58>] __warn_printk+0xe8/0xf0"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: KVM: s390: soluciona el problema de intercepci\u00f3n de validez cuando gisa est\u00e1 desactivado Podemos encontrarnos con una validez de SIE si gisa se ha deshabilitado mediante el uso del par\u00e1metro del kernel \"kvm.use_gisa=0\" o configurando el atributo sysfs relacionado en N (echo N &gt;/sys/module/kvm/parameters/use_gisa). La validez es causada por un valor no v\u00e1lido en la designaci\u00f3n gisa del bloque de control SIE. Esto sucede porque pasamos el origen gisa no inicializado a virt_to_phys() antes de escribirlo en la designaci\u00f3n gisa. Para solucionar esto, devolvemos 0 en kvm_s390_get_gisa_desc() si el origen es 0. kvm_s390_get_gisa_desc() se utiliza para determinar qu\u00e9 designaci\u00f3n gisa establecer en el bloque de control SIE. Un valor de 0 en la designaci\u00f3n gisa deshabilita el uso de gisa. El problema aparece en el kernel del host con el siguiente mensaje del kernel tan pronto como se intenta iniciar un nuevo invitado kvm. kvm: interceptaci\u00f3n de validez no controlada 0x1011 WARNING: CPU: 0 PID: 781237 at arch/s390/kvm/intercept.c:101 kvm_handle_sie_intercept+0x42e/0x4d0 [kvm] Modules linked in: vhost_net tap tun xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT xt_tcpudp nft_compat x_tables nf_nat_tftp nf_conntrack_tftp vfio_pci_core irqbypass vhost_vsock vmw_vsock_virtio_transport_common vsock vhost vhost_iotlb kvm nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables sunrpc mlx5_ib ib_uverbs ib_core mlx5_core uvdevice s390_trng eadm_sch vfio_ccw zcrypt_cex4 mdev vfio_iommu_type1 vfio sch_fq_codel drm i2c_core loop drm_panel_orientation_quirks configfs nfnetlink lcs ctcm fsm dm_service_time ghash_s390 prng chacha_s390 libchacha aes_s390 des_s390 libdes sha3_512_s390 sha3_256_s390 sha512_s390 sha256_s390 sha1_s390 sha_common dm_mirror dm_region_hash dm_log zfcp scsi_transport_fc scsi_dh_rdac scsi_dh_emc scsi_dh_alua pkey zcrypt dm_multipath rng_core autofs4 [last unloaded: vfio_pci] CPU: 0 PID: 781237 Comm: CPU 0/KVM Not tainted 6.10.0-08682-gcad9f11498ea #6 Hardware name: IBM 3931 A01 701 (LPAR) Krnl PSW : 0704c00180000000 000003d93deb0122 (kvm_handle_sie_intercept+0x432/0x4d0 [kvm]) R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:0 PM:0 RI:0 EA:3 Krnl GPRS: 000003d900000027 000003d900000023 0000000000000028 000002cd00000000 000002d063a00900 00000359c6daf708 00000000000bebb5 0000000000001eff 000002cfd82e9000 000002cfd80bc000 0000000000001011 000003d93deda412 000003ff8962df98 000003d93de77ce0 000003d93deb011e 00000359c6daf960 Krnl Code: 000003d93deb0112: c020fffe7259 larl %r2,000003d93de7e5c4 000003d93deb0118: c0e53fa8beac brasl %r14,000003d9bd3c7e70 #000003d93deb011e: af000000 mc 0,0 &gt;000003d93deb0122: a728ffea lhi %r2,-22 000003d93deb0126: a7f4fe24 brc 15,000003d93deafd6e 000003d93deb012a: 9101f0b0 tm 176(%r15),1 000003d93deb012e: a774fe48 brc 7,000003d93deafdbe 000003d93deb0132: 40a0f0ae sth %r10,174(%r15) Call Trace: [&lt;000003d93deb0122&gt;] kvm_handle_sie_intercept+0x432/0x4d0 [kvm] ([&lt;000003d93deb011e&gt;] kvm_handle_sie_intercept+0x42e/0x4d0 [kvm]) [&lt;000003d93deacc10&gt;] vcpu_post_run+0x1d0/0x3b0 [kvm] [&lt;000003d93deaceda&gt;] __vcpu_run+0xea/0x2d0 [kvm] [&lt;000003d93dead9da&gt;] kvm_arch_vcpu_ioctl_run+0x16a/0x430 [kvm] [&lt;000003d93de93ee0&gt;] kvm_vcpu_ioctl+0x190/0x7c0 [kvm] [&lt;000003d9bd728b4e&gt;] vfs_ioctl+0x2e/0x70 [&lt;000003d9bd72a092&gt;] __s390x_sys_ioctl+0xc2/0xd0 [&lt;000003d9be0e9222&gt;] __do_syscall+0x1f2/0x2e0 [&lt;000003d9be0f9a90&gt;] system_call+0x70/0x98 Last Breaking-Event-Address: [&lt;000003d9bd3c7f58&gt;] __warn_printk+0xe8/0xf0"}], "lastModified": "2024-10-09T15:30:03.767", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9DE9201A-CE6B-4726-BABB-8265EA0F8AE4", "versionEndExcluding": "6.6.48", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D2AFDFD1-D95A-4EB7-843B-5E7659518B67", "versionEndExcluding": "6.10.7", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8B3CE743-2126-47A3-8B7C-822B502CF119"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4DEB27E7-30AA-45CC-8934-B89263EF3551"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E0005AEF-856E-47EB-BFE4-90C46899394D"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}