{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-52995", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-03-27T16:40:15.742Z", "datePublished": "2025-03-27T16:43:29.853Z", "dateUpdated": "2026-05-11T19:36:35.016Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:36:35.016Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nriscv/kprobe: Fix instruction simulation of JALR\n\nSet kprobe at 'jalr 1140(ra)' of vfs_write results in the following\ncrash:\n\n[ 32.092235] Unable to handle kernel access to user memory without uaccess routines at virtual address 00aaaaaad77b1170\n[ 32.093115] Oops [#1]\n[ 32.093251] Modules linked in:\n[ 32.093626] CPU: 0 PID: 135 Comm: ftracetest Not tainted 6.2.0-rc2-00013-gb0aa5e5df0cb-dirty #16\n[ 32.093985] Hardware name: riscv-virtio,qemu (DT)\n[ 32.094280] epc : ksys_read+0x88/0xd6\n[ 32.094855] ra : ksys_read+0xc0/0xd6\n[ 32.095016] epc : ffffffff801cda80 ra : ffffffff801cdab8 sp : ff20000000d7bdc0\n[ 32.095227] gp : ffffffff80f14000 tp : ff60000080f9cb40 t0 : ffffffff80f13e80\n[ 32.095500] t1 : ffffffff8000c29c t2 : ffffffff800dbc54 s0 : ff20000000d7be60\n[ 32.095716] s1 : 0000000000000000 a0 : ffffffff805a64ae a1 : ffffffff80a83708\n[ 32.095921] a2 : ffffffff80f160a0 a3 : 0000000000000000 a4 : f229b0afdb165300\n[ 32.096171] a5 : f229b0afdb165300 a6 : ffffffff80eeebd0 a7 : 00000000000003ff\n[ 32.096411] s2 : ff6000007ff76800 s3 : fffffffffffffff7 s4 : 00aaaaaad77b1170\n[ 32.096638] s5 : ffffffff80f160a0 s6 : ff6000007ff76800 s7 : 0000000000000030\n[ 32.096865] s8 : 00ffffffc3d97be0 s9 : 0000000000000007 s10: 00aaaaaad77c9410\n[ 32.097092] s11: 0000000000000000 t3 : ffffffff80f13e48 t4 : ffffffff8000c29c\n[ 32.097317] t5 : ffffffff8000c29c t6 : ffffffff800dbc54\n[ 32.097505] status: 0000000200000120 badaddr: 00aaaaaad77b1170 cause: 000000000000000d\n[ 32.098011] [<ffffffff801cdb72>] ksys_write+0x6c/0xd6\n[ 32.098222] [<ffffffff801cdc06>] sys_write+0x2a/0x38\n[ 32.098405] [<ffffffff80003c76>] ret_from_syscall+0x0/0x2\n\nSince the rs1 and rd might be the same one, such as 'jalr 1140(ra)',\nhence it requires obtaining the target address from rs1 followed by\nupdating rd.\n\n[Palmer: Pick Guo's cleanup]"}], "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/simulate-insn.c"], "versions": [{"version": "c22b0bcb1dd024cb9caad9230e3a387d8b061df5", "lessThan": "614471b7f7cd28a2c96ab9c90b37471c82258ffb", "status": "affected", "versionType": "git"}, {"version": "c22b0bcb1dd024cb9caad9230e3a387d8b061df5", "lessThan": "f4c8fc775fcbc9e9047b22671c55ca18f9a127d4", "status": "affected", "versionType": "git"}, {"version": "c22b0bcb1dd024cb9caad9230e3a387d8b061df5", "lessThan": "ca0254998be4d74cf6add70ccfab0d2dbd362a10", "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/simulate-insn.c"], "versions": [{"version": "5.12", "status": "affected"}, {"version": "0", "lessThan": "5.12", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.91", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.9", "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": "5.15.91"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12", "versionEndExcluding": "6.1.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12", "versionEndExcluding": "6.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/614471b7f7cd28a2c96ab9c90b37471c82258ffb"}, {"url": "https://git.kernel.org/stable/c/f4c8fc775fcbc9e9047b22671c55ca18f9a127d4"}, {"url": "https://git.kernel.org/stable/c/ca0254998be4d74cf6add70ccfab0d2dbd362a10"}], "title": "riscv/kprobe: Fix instruction simulation of JALR", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0B638F5D-F370-4E6B-8DE1-25237585DAB7", "versionEndExcluding": "5.15.91", "versionStartIncluding": "5.12", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "ED5B6045-B1D2-4E03-B194-9005A351BCAE", "versionEndExcluding": "6.1.9", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:*", "matchCriteriaId": "FF501633-2F44-4913-A8EE-B021929F49F6", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:*", "matchCriteriaId": "2BDA597B-CAC1-4DF0-86F0-42E142C654E9", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:*", "matchCriteriaId": "725C78C9-12CE-406F-ABE8-0813A01D66E8", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc4:*:*:*:*:*:*", "matchCriteriaId": "A127C155-689C-4F67-B146-44A57F4BFD85", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc5:*:*:*:*:*:*", "matchCriteriaId": "D34127CC-68F5-4703-A5F6-5006F803E4AE", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nriscv/kprobe: Fix instruction simulation of JALR\n\nSet kprobe at 'jalr 1140(ra)' of vfs_write results in the following\ncrash:\n\n[ 32.092235] Unable to handle kernel access to user memory without uaccess routines at virtual address 00aaaaaad77b1170\n[ 32.093115] Oops [#1]\n[ 32.093251] Modules linked in:\n[ 32.093626] CPU: 0 PID: 135 Comm: ftracetest Not tainted 6.2.0-rc2-00013-gb0aa5e5df0cb-dirty #16\n[ 32.093985] Hardware name: riscv-virtio,qemu (DT)\n[ 32.094280] epc : ksys_read+0x88/0xd6\n[ 32.094855] ra : ksys_read+0xc0/0xd6\n[ 32.095016] epc : ffffffff801cda80 ra : ffffffff801cdab8 sp : ff20000000d7bdc0\n[ 32.095227] gp : ffffffff80f14000 tp : ff60000080f9cb40 t0 : ffffffff80f13e80\n[ 32.095500] t1 : ffffffff8000c29c t2 : ffffffff800dbc54 s0 : ff20000000d7be60\n[ 32.095716] s1 : 0000000000000000 a0 : ffffffff805a64ae a1 : ffffffff80a83708\n[ 32.095921] a2 : ffffffff80f160a0 a3 : 0000000000000000 a4 : f229b0afdb165300\n[ 32.096171] a5 : f229b0afdb165300 a6 : ffffffff80eeebd0 a7 : 00000000000003ff\n[ 32.096411] s2 : ff6000007ff76800 s3 : fffffffffffffff7 s4 : 00aaaaaad77b1170\n[ 32.096638] s5 : ffffffff80f160a0 s6 : ff6000007ff76800 s7 : 0000000000000030\n[ 32.096865] s8 : 00ffffffc3d97be0 s9 : 0000000000000007 s10: 00aaaaaad77c9410\n[ 32.097092] s11: 0000000000000000 t3 : ffffffff80f13e48 t4 : ffffffff8000c29c\n[ 32.097317] t5 : ffffffff8000c29c t6 : ffffffff800dbc54\n[ 32.097505] status: 0000000200000120 badaddr: 00aaaaaad77b1170 cause: 000000000000000d\n[ 32.098011] [<ffffffff801cdb72>] ksys_write+0x6c/0xd6\n[ 32.098222] [<ffffffff801cdc06>] sys_write+0x2a/0x38\n[ 32.098405] [<ffffffff80003c76>] ret_from_syscall+0x0/0x2\n\nSince the rs1 and rd might be the same one, such as 'jalr 1140(ra)',\nhence it requires obtaining the target address from rs1 followed by\nupdating rd.\n\n[Palmer: Pick Guo's cleanup]"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: riscv/kprobe: Se corrige la simulaci\u00f3n de instrucci\u00f3n de JALR. Establecer kprobe en 'jalr 1140(ra)' de vfs_write da como resultado el siguiente fallo: [32.092235] No se puede controlar el acceso del kernel a la memoria del usuario sin rutinas uaccess en la direcci\u00f3n virtual 00aaaaaad77b1170 [32.093115] Ups [#1] [32.093251] M\u00f3dulos vinculados en: [32.093626] CPU: 0 PID: 135 Comm: ftracetest No contaminado 6.2.0-rc2-00013-gb0aa5e5df0cb-dirty #16 [32.093985] Nombre del hardware: riscv-virtio,qemu (DT) [ [32.094280] epc : ksys_read+0x88/0xd6 [ 32.094855] ra : ksys_read+0xc0/0xd6 [ 32.095016] epc : ffffffff801cda80 ra : ffffffff801cdab8 sp : ff20000000d7bdc0 [ 32.095227] gp : ffffffff80f14000 tp : ff60000080f9cb40 t0 : ffffffff80f13e80 [ 32.095500] t1 : ffffffff8000c29c t2 : ffffffff800dbc54 s0 : ff20000000d7be60 [32.095716] s1: 0000000000000000 a0: ffffffff805a64ae a1: ffffffff80a83708 [32.095921] a2: ffffffff80f160a0 a3: 0000000000000000 a4: f229b0afdb165300 [32.096171] a5: f229b0afdb165300 a6: ffffffff80eeebd0 a7: 00000000000003ff [32.096411] s2: ff6000007ff76800 s3: ffffffffffffff7 s4: 00aaaaaad77b1170 [32.096638] s5: ffffffff80f160a0 s6: ff6000007ff76800 s7: 00000000000000030 [32.096865] s8: 00ffffffc3d97be0 s9: 0000000000000007 s10: 00aaaaaad77c9410 [32.097092] s11: 0000000000000000 t3: ffffffff80f13e48 t4 : ffffffff8000c29c [ 32.097317] t5 : ffffffff8000c29c t6 : ffffffff800dbc54 [ 32.097505] estado: 0000000200000120 direcci\u00f3n incorrecta: 00aaaaaad77b1170 causa: 000000000000000d [ 32.098011] [] ksys_write+0x6c/0xd6 [ 32.098222] [] sys_write+0x2a/0x38 [ 32.098405] [] ret_from_syscall+0x0/0x2 Dado que rs1 y rd podr\u00edan ser el mismo, como 'jalr 1140(ra)', se requiere obtener la direcci\u00f3n de destino de rs1 y luego actualizar rd. [Palmer: Limpieza de Pick Guo]"}], "id": "CVE-2023-52995", "lastModified": "2025-10-29T16:59:46.793", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-03-27T17:15:48.153", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/614471b7f7cd28a2c96ab9c90b37471c82258ffb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ca0254998be4d74cf6add70ccfab0d2dbd362a10"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f4c8fc775fcbc9e9047b22671c55ca18f9a127d4"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: riscv/kprobe: Fix instruction simulation of JALR", "id": "2355523", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2355523"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-188", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nriscv/kprobe: Fix instruction simulation of JALR\nSet kprobe at 'jalr 1140(ra)' of vfs_write results in the following\ncrash:\n[ 32.092235] Unable to handle kernel access to user memory without uaccess routines at virtual address 00aaaaaad77b1170\n[ 32.093115] Oops [#1]\n[ 32.093251] Modules linked in:\n[ 32.093626] CPU: 0 PID: 135 Comm: ftracetest Not tainted 6.2.0-rc2-00013-gb0aa5e5df0cb-dirty #16\n[ 32.093985] Hardware name: riscv-virtio,qemu (DT)\n[ 32.094280] epc : ksys_read+0x88/0xd6\n[ 32.094855] ra : ksys_read+0xc0/0xd6\n[ 32.095016] epc : ffffffff801cda80 ra : ffffffff801cdab8 sp : ff20000000d7bdc0\n[ 32.095227] gp : ffffffff80f14000 tp : ff60000080f9cb40 t0 : ffffffff80f13e80\n[ 32.095500] t1 : ffffffff8000c29c t2 : ffffffff800dbc54 s0 : ff20000000d7be60\n[ 32.095716] s1 : 0000000000000000 a0 : ffffffff805a64ae a1 : ffffffff80a83708\n[ 32.095921] a2 : ffffffff80f160a0 a3 : 0000000000000000 a4 : f229b0afdb165300\n[ 32.096171] a5 : f229b0afdb165300 a6 : ffffffff80eeebd0 a7 : 00000000000003ff\n[ 32.096411] s2 : ff6000007ff76800 s3 : fffffffffffffff7 s4 : 00aaaaaad77b1170\n[ 32.096638] s5 : ffffffff80f160a0 s6 : ff6000007ff76800 s7 : 0000000000000030\n[ 32.096865] s8 : 00ffffffc3d97be0 s9 : 0000000000000007 s10: 00aaaaaad77c9410\n[ 32.097092] s11: 0000000000000000 t3 : ffffffff80f13e48 t4 : ffffffff8000c29c\n[ 32.097317] t5 : ffffffff8000c29c t6 : ffffffff800dbc54\n[ 32.097505] status: 0000000200000120 badaddr: 00aaaaaad77b1170 cause: 000000000000000d\n[ 32.098011] [<ffffffff801cdb72>] ksys_write+0x6c/0xd6\n[ 32.098222] [<ffffffff801cdc06>] sys_write+0x2a/0x38\n[ 32.098405] [<ffffffff80003c76>] ret_from_syscall+0x0/0x2\nSince the rs1 and rd might be the same one, such as 'jalr 1140(ra)',\nhence it requires obtaining the target address from rs1 followed by\nupdating rd.\n[Palmer: Pick Guo's cleanup]"], "name": "CVE-2023-52995", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-03-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52995\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52995\nhttps://lore.kernel.org/linux-cve-announce/2025032710-CVE-2023-52995-c28f@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-12T22:44:42.419770+00:00", "updated": "2025-07-12T22:44:42.419845+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}