| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nriscv: kprobe: Fixup kernel panic when probing an illegal position\n\nThe kernel would panic when probed for an illegal position. eg:\n\n(CONFIG_RISCV_ISA_C=n)\n\necho 'p:hello kernel_clone+0x16 a0=%a0' >> kprobe_events\necho 1 > events/kprobes/hello/enable\ncat trace\n\nKernel panic - not syncing: stack-protector: Kernel stack\nis corrupted in: __do_sys_newfstatat+0xb8/0xb8\nCPU: 0 PID: 111 Comm: sh Not tainted\n6.2.0-rc1-00027-g2d398fe49a4d #490\nHardware name: riscv-virtio,qemu (DT)\nCall Trace:\n[<ffffffff80007268>] dump_backtrace+0x38/0x48\n[<ffffffff80c5e83c>] show_stack+0x50/0x68\n[<ffffffff80c6da28>] dump_stack_lvl+0x60/0x84\n[<ffffffff80c6da6c>] dump_stack+0x20/0x30\n[<ffffffff80c5ecf4>] panic+0x160/0x374\n[<ffffffff80c6db94>] generic_handle_arch_irq+0x0/0xa8\n[<ffffffff802deeb0>] sys_newstat+0x0/0x30\n[<ffffffff800158c0>] sys_clone+0x20/0x30\n[<ffffffff800039e8>] ret_from_syscall+0x0/0x4\n---[ end Kernel panic - not syncing: stack-protector:\nKernel stack is corrupted in: __do_sys_newfstatat+0xb8/0xb8 ]---\n\nThat is because the kprobe's ebreak instruction broke the kernel's\noriginal code. The user should guarantee the correction of the probe\nposition, but it couldn't make the kernel panic.\n\nThis patch adds arch_check_kprobe in arch_prepare_kprobe to prevent an\nillegal position (Such as the middle of an instruction)." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "arch/riscv/kernel/probes/kprobes.c" |
| ], |
| "versions": [ |
| { |
| "version": "c22b0bcb1dd024cb9caad9230e3a387d8b061df5", |
| "lessThan": "04a73558209554da17f46490ec4faaaf1b2bab68", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "c22b0bcb1dd024cb9caad9230e3a387d8b061df5", |
| "lessThan": "12316538b1d193064109ce1a28fc9bacd43950de", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "c22b0bcb1dd024cb9caad9230e3a387d8b061df5", |
| "lessThan": "87f48c7ccc73afc78630530d9af51f458f58cab8", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "arch/riscv/kernel/probes/kprobes.c" |
| ], |
| "versions": [ |
| { |
| "version": "5.12", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "5.12", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.15.93", |
| "lessThanOrEqual": "5.15.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.1.11", |
| "lessThanOrEqual": "6.1.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.2", |
| "lessThanOrEqual": "*", |
| "status": "unaffected", |
| "versionType": "original_commit_for_fix" |
| } |
| ] |
| } |
| ], |
| "cpeApplicability": [ |
| { |
| "nodes": [ |
| { |
| "operator": "OR", |
| "negate": false, |
| "cpeMatch": [ |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.12", |
| "versionEndExcluding": "5.15.93" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.12", |
| "versionEndExcluding": "6.1.11" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.12", |
| "versionEndExcluding": "6.2" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/04a73558209554da17f46490ec4faaaf1b2bab68" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/12316538b1d193064109ce1a28fc9bacd43950de" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/87f48c7ccc73afc78630530d9af51f458f58cab8" |
| } |
| ], |
| "title": "riscv: kprobe: Fixup kernel panic when probing an illegal position", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2023-52978", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
