CVE-2026-64270

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64270", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T15:36:31.775Z", "datePublished": "2026-07-25T08:49:17.541Z", "dateUpdated": "2026-11-06T16:34:31.828Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-23T12:45:36.926Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nInput: mms114 - reject an oversized device packet size\n\nmms114_interrupt() reads a packet of touch data from the device into a\nfixed-size on-stack buffer\n\n\tstruct mms114_touch touch[MMS114_MAX_TOUCH];\n\nwhich holds MMS114_MAX_TOUCH (10) events of MMS114_EVENT_SIZE (8) bytes,\ni.e. 80 bytes. The length of the I2C read into it is taken verbatim from\nthe device:\n\n\tpacket_size = mms114_read_reg(data, MMS114_PACKET_SIZE);\n\tif (packet_size <= 0)\n\t\tgoto out;\n\t...\n\terror = __mms114_read_reg(data, MMS114_INFORMATION, packet_size,\n\t\t\t(u8 *)touch);\n\npacket_size is a single device register byte (0x0F) and the only check\nis the lower bound packet_size <= 0; it is never bounded against the\nsize of touch[]. A malfunctioning, malicious or counterfeit controller\n(or an attacker tampering with the I2C bus) can report a packet_size of\nup to 255, so __mms114_read_reg() writes up to 175 bytes past the end of\ntouch[] on the IRQ-thread stack: a stack out-of-bounds write that can\noverwrite the stack canary, saved registers and the return address.\n\nA well-formed device never reports more than the buffer holds, so reject\nan oversized packet and drop the report, consistent with the handler's\nother error paths, rather than reading past the buffer."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/input/touchscreen/mms114.c"], "versions": [{"version": "07b8481d4aff73d6f451f25e74ea10240ff5131e", "lessThan": "040843281eebfa110d08fd7fb083fe6cb55cea14", "status": "affected", "versionType": "git"}, {"version": "07b8481d4aff73d6f451f25e74ea10240ff5131e", "lessThan": "39b12daf1adb80f9595fdfe584961deb80860cbb", "status": "affected", "versionType": "git"}, {"version": "07b8481d4aff73d6f451f25e74ea10240ff5131e", "lessThan": "d99ba93c35ff2d5276e9c2632967481bd53a79d0", "status": "affected", "versionType": "git"}, {"version": "07b8481d4aff73d6f451f25e74ea10240ff5131e", "lessThan": "5d2ea15ba03bf17ed143ff1a0995a4206edc3fb6", "status": "affected", "versionType": "git"}, {"version": "07b8481d4aff73d6f451f25e74ea10240ff5131e", "lessThan": "b78150729762d47c14fe29a2582bdca5568e62b8", "status": "affected", "versionType": "git"}, {"version": "07b8481d4aff73d6f451f25e74ea10240ff5131e", "lessThan": "8301c335305344d4da4ab9442b6a399dacfe5b8d", "status": "affected", "versionType": "git"}, {"version": "07b8481d4aff73d6f451f25e74ea10240ff5131e", "lessThan": "f3d5e77b27fded71dcb97f409262bf0abba0410e", "status": "affected", "versionType": "git"}, {"version": "07b8481d4aff73d6f451f25e74ea10240ff5131e", "lessThan": "66725039f7090afe14c31bd259e2059a68f04023", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/input/touchscreen/mms114.c"], "versions": [{"version": "3.6", "status": "affected"}, {"version": "0", "lessThan": "3.6", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.266", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.217", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.184", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.96", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.39", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.4", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "3.6", "versionEndExcluding": "5.10.266"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.6", "versionEndExcluding": "5.15.217"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.6", "versionEndExcluding": "6.1.184"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.6", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.6", "versionEndExcluding": "6.12.96"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.6", "versionEndExcluding": "6.18.39"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.6", "versionEndExcluding": "7.1.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.6", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/040843281eebfa110d08fd7fb083fe6cb55cea14"}, {"url": "https://git.kernel.org/stable/c/39b12daf1adb80f9595fdfe584961deb80860cbb"}, {"url": "https://git.kernel.org/stable/c/d99ba93c35ff2d5276e9c2632967481bd53a79d0"}, {"url": "https://git.kernel.org/stable/c/5d2ea15ba03bf17ed143ff1a0995a4206edc3fb6"}, {"url": "https://git.kernel.org/stable/c/b78150729762d47c14fe29a2582bdca5568e62b8"}, {"url": "https://git.kernel.org/stable/c/8301c335305344d4da4ab9442b6a399dacfe5b8d"}, {"url": "https://git.kernel.org/stable/c/f3d5e77b27fded71dcb97f409262bf0abba0410e"}, {"url": "https://git.kernel.org/stable/c/66725039f7090afe14c31bd259e2059a68f04023"}], "title": "Input: mms114 - reject an oversized device packet size", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-64270", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-11-06T16:33:18.638212Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-06T16:34:31.828Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-64270", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-11-06T16:33:18.638212Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-06T16:33:25.427Z"}}], "cna": {"title": "Input: mms114 - reject an oversized device packet size", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "07b8481d4aff73d6f451f25e74ea10240ff5131e", "lessThan": "040843281eebfa110d08fd7fb083fe6cb55cea14", "versionType": "git"}, {"status": "affected", "version": "07b8481d4aff73d6f451f25e74ea10240ff5131e", "lessThan": "39b12daf1adb80f9595fdfe584961deb80860cbb", "versionType": "git"}, {"status": "affected", "version": "07b8481d4aff73d6f451f25e74ea10240ff5131e", "lessThan": "d99ba93c35ff2d5276e9c2632967481bd53a79d0", "versionType": "git"}, {"status": "affected", "version": "07b8481d4aff73d6f451f25e74ea10240ff5131e", "lessThan": "5d2ea15ba03bf17ed143ff1a0995a4206edc3fb6", "versionType": "git"}, {"status": "affected", "version": "07b8481d4aff73d6f451f25e74ea10240ff5131e", "lessThan": "b78150729762d47c14fe29a2582bdca5568e62b8", "versionType": "git"}, {"status": "affected", "version": "07b8481d4aff73d6f451f25e74ea10240ff5131e", "lessThan": "8301c335305344d4da4ab9442b6a399dacfe5b8d", "versionType": "git"}, {"status": "affected", "version": "07b8481d4aff73d6f451f25e74ea10240ff5131e", "lessThan": "f3d5e77b27fded71dcb97f409262bf0abba0410e", "versionType": "git"}, {"status": "affected", "version": "07b8481d4aff73d6f451f25e74ea10240ff5131e", "lessThan": "66725039f7090afe14c31bd259e2059a68f04023", "versionType": "git"}], "programFiles": ["drivers/input/touchscreen/mms114.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "3.6"}, {"status": "unaffected", "version": "0", "lessThan": "3.6", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.266", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.217", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.184", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.145", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.96", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.39", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.1.4", "versionType": "semver", "lessThanOrEqual": "7.1.*"}, {"status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/input/touchscreen/mms114.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/040843281eebfa110d08fd7fb083fe6cb55cea14"}, {"url": "https://git.kernel.org/stable/c/39b12daf1adb80f9595fdfe584961deb80860cbb"}, {"url": "https://git.kernel.org/stable/c/d99ba93c35ff2d5276e9c2632967481bd53a79d0"}, {"url": "https://git.kernel.org/stable/c/5d2ea15ba03bf17ed143ff1a0995a4206edc3fb6"}, {"url": "https://git.kernel.org/stable/c/b78150729762d47c14fe29a2582bdca5568e62b8"}, {"url": "https://git.kernel.org/stable/c/8301c335305344d4da4ab9442b6a399dacfe5b8d"}, {"url": "https://git.kernel.org/stable/c/f3d5e77b27fded71dcb97f409262bf0abba0410e"}, {"url": "https://git.kernel.org/stable/c/66725039f7090afe14c31bd259e2059a68f04023"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nInput: mms114 - reject an oversized device packet size\n\nmms114_interrupt() reads a packet of touch data from the device into a\nfixed-size on-stack buffer\n\n\tstruct mms114_touch touch[MMS114_MAX_TOUCH];\n\nwhich holds MMS114_MAX_TOUCH (10) events of MMS114_EVENT_SIZE (8) bytes,\ni.e. 80 bytes. The length of the I2C read into it is taken verbatim from\nthe device:\n\n\tpacket_size = mms114_read_reg(data, MMS114_PACKET_SIZE);\n\tif (packet_size <= 0)\n\t\tgoto out;\n\t...\n\terror = __mms114_read_reg(data, MMS114_INFORMATION, packet_size,\n\t\t\t(u8 *)touch);\n\npacket_size is a single device register byte (0x0F) and the only check\nis the lower bound packet_size <= 0; it is never bounded against the\nsize of touch[]. A malfunctioning, malicious or counterfeit controller\n(or an attacker tampering with the I2C bus) can report a packet_size of\nup to 255, so __mms114_read_reg() writes up to 175 bytes past the end of\ntouch[] on the IRQ-thread stack: a stack out-of-bounds write that can\noverwrite the stack canary, saved registers and the return address.\n\nA well-formed device never reports more than the buffer holds, so reject\nan oversized packet and drop the report, consistent with the handler's\nother error paths, rather than reading past the buffer."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.266", "versionStartIncluding": "3.6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.217", "versionStartIncluding": "3.6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.184", "versionStartIncluding": "3.6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.145", "versionStartIncluding": "3.6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.96", "versionStartIncluding": "3.6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.18.39", "versionStartIncluding": "3.6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.1.4", "versionStartIncluding": "3.6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.2", "versionStartIncluding": "3.6"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-23T12:45:36.926Z"}}}, "cveMetadata": {"cveId": "CVE-2026-64270", "state": "PUBLISHED", "dateUpdated": "2026-11-06T16:34:31.828Z", "dateReserved": "2026-07-19T15:36:31.775Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2026-07-25T08:49:17.541Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/input/touchscreen/mms114.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "040843281eebfa110d08fd7fb083fe6cb55cea14", "status": "affected", "version": "07b8481d4aff73d6f451f25e74ea10240ff5131e", "versionType": "git"}, {"lessThan": "39b12daf1adb80f9595fdfe584961deb80860cbb", "status": "affected", "version": "07b8481d4aff73d6f451f25e74ea10240ff5131e", "versionType": "git"}, {"lessThan": "d99ba93c35ff2d5276e9c2632967481bd53a79d0", "status": "affected", "version": "07b8481d4aff73d6f451f25e74ea10240ff5131e", "versionType": "git"}, {"lessThan": "5d2ea15ba03bf17ed143ff1a0995a4206edc3fb6", "status": "affected", "version": "07b8481d4aff73d6f451f25e74ea10240ff5131e", "versionType": "git"}, {"lessThan": "b78150729762d47c14fe29a2582bdca5568e62b8", "status": "affected", "version": "07b8481d4aff73d6f451f25e74ea10240ff5131e", "versionType": "git"}, {"lessThan": "8301c335305344d4da4ab9442b6a399dacfe5b8d", "status": "affected", "version": "07b8481d4aff73d6f451f25e74ea10240ff5131e", "versionType": "git"}, {"lessThan": "f3d5e77b27fded71dcb97f409262bf0abba0410e", "status": "affected", "version": "07b8481d4aff73d6f451f25e74ea10240ff5131e", "versionType": "git"}, {"lessThan": "66725039f7090afe14c31bd259e2059a68f04023", "status": "affected", "version": "07b8481d4aff73d6f451f25e74ea10240ff5131e", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/input/touchscreen/mms114.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.6"}, {"lessThan": "3.6", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.266", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.217", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.184", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.145", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.96", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.39", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A002694E-FCEC-401E-A2AC-04C88AB8217F", "versionEndExcluding": "6.6.145", "versionStartIncluding": "3.6", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "38A8100E-2B1A-462F-AEE9-8901B870FEF2", "versionEndExcluding": "6.12.96", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "914AE4BC-3D59-4C5A-9DB5-9CE327B429F7", "versionEndExcluding": "6.18.39", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6228DDD6-4557-4AA3-9F43-AB995D471E42", "versionEndExcluding": "7.1.4", "versionStartIncluding": "6.19", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nInput: mms114 - reject an oversized device packet size\n\nmms114_interrupt() reads a packet of touch data from the device into a\nfixed-size on-stack buffer\n\n\tstruct mms114_touch touch[MMS114_MAX_TOUCH];\n\nwhich holds MMS114_MAX_TOUCH (10) events of MMS114_EVENT_SIZE (8) bytes,\ni.e. 80 bytes. The length of the I2C read into it is taken verbatim from\nthe device:\n\n\tpacket_size = mms114_read_reg(data, MMS114_PACKET_SIZE);\n\tif (packet_size <= 0)\n\t\tgoto out;\n\t...\n\terror = __mms114_read_reg(data, MMS114_INFORMATION, packet_size,\n\t\t\t(u8 *)touch);\n\npacket_size is a single device register byte (0x0F) and the only check\nis the lower bound packet_size <= 0; it is never bounded against the\nsize of touch[]. A malfunctioning, malicious or counterfeit controller\n(or an attacker tampering with the I2C bus) can report a packet_size of\nup to 255, so __mms114_read_reg() writes up to 175 bytes past the end of\ntouch[] on the IRQ-thread stack: a stack out-of-bounds write that can\noverwrite the stack canary, saved registers and the return address.\n\nA well-formed device never reports more than the buffer holds, so reject\nan oversized packet and drop the report, consistent with the handler's\nother error paths, rather than reading past the buffer."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nEntrada: mms114 - rechazar un tama\u00f1o de paquete de dispositivo sobredimensionado\n\nmms114_interrupt() lee un paquete de datos t\u00e1ctiles del dispositivo en un b\u00fafer de tama\u00f1o fijo en la pila\n\n\tstruct mms114_touch touch[MMS114_MAX_TOUCH];\n\nque contiene MMS114_MAX_TOUCH (10) eventos de MMS114_EVENT_SIZE (8) bytes, es decir, 80 bytes. La longitud de la lectura I2C en \u00e9l se toma textualmente del dispositivo:\n\n\tpacket_size = mms114_read_reg(data, MMS114_PACKET_SIZE);\n\tif (packet_size menor o igual que 0)\n\t\tgoto out;\n\t...\n\terror = __mms114_read_reg(data, MMS114_INFORMATION, packet_size,\n\t\t\t(u8 *)touch);\n\npacket_size es un solo byte de registro del dispositivo (0x0F) y la \u00fanica comprobaci\u00f3n es el l\u00edmite inferior packet_size menor o igual que 0; nunca se limita contra el tama\u00f1o de touch[]. Un controlador defectuoso, malicioso o falsificado (o un atacante manipulando el bus I2C) puede informar un packet_size de hasta 255, por lo que __mms114_read_reg() escribe hasta 175 bytes m\u00e1s all\u00e1 del final de touch[] en la pila del hilo IRQ: una escritura fuera de l\u00edmites de la pila que puede sobrescribir el canario de la pila, los registros guardados y la direcci\u00f3n de retorno.\n\nUn dispositivo bien formado nunca informa m\u00e1s de lo que contiene el b\u00fafer, por lo tanto, rechazar un paquete sobredimensionado y descartar el informe, consistente con otras rutas de error del gestor, en lugar de leer m\u00e1s all\u00e1 del b\u00fafer."}], "id": "CVE-2026-64270", "lastModified": "2026-11-06T17:18:44.497", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-64270", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-06T16:33:18.638212Z", "version": "2.0.3"}}]}, "published": "2026-07-25T10:17:07.293", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/040843281eebfa110d08fd7fb083fe6cb55cea14"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/39b12daf1adb80f9595fdfe584961deb80860cbb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5d2ea15ba03bf17ed143ff1a0995a4206edc3fb6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/66725039f7090afe14c31bd259e2059a68f04023"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8301c335305344d4da4ab9442b6a399dacfe5b8d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b78150729762d47c14fe29a2582bdca5568e62b8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d99ba93c35ff2d5276e9c2632967481bd53a79d0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f3d5e77b27fded71dcb97f409262bf0abba0410e"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: Input: mms114 - reject an oversized device packet size", "id": "2507053", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507053"}, "csaw": false, "cwe": "CWE-787", "details": ["No description is available for this CVE."], "name": "CVE-2026-64270", "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": "2026-07-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-64270\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-64270\nhttps://lore.kernel.org/linux-cve-announce/2026072559-CVE-2026-64270-35c7@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[07b8481d4aff73d6f451f25e74ea10240ff5131e,5d2ea15ba03bf17ed143ff1a0995a4206edc3fb6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[07b8481d4aff73d6f451f25e74ea10240ff5131e,b78150729762d47c14fe29a2582bdca5568e62b8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[07b8481d4aff73d6f451f25e74ea10240ff5131e,8301c335305344d4da4ab9442b6a399dacfe5b8d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[07b8481d4aff73d6f451f25e74ea10240ff5131e,f3d5e77b27fded71dcb97f409262bf0abba0410e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[07b8481d4aff73d6f451f25e74ea10240ff5131e,66725039f7090afe14c31bd259e2059a68f04023)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "3.6"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,3.6)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.145,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.96,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.39,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.4,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-07-25T11:00:05.361575+00:00", "updated": "2026-08-13T20:00:03.445637+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}