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In such a case we need to skip the wake\nevent as we came to this path from the timer interrupt and quite\nlikely system is already awake.\n\nWithout this fix we have got an Oops:\n\n serial8250: ttyS0 at I/O 0x3f8 (irq = 0, base_baud = 115200) is a 16550A\n ...\n BUG: kernel NULL pointer dereference, address: 0000000000000010\n RIP: 0010:serial8250_handle_irq+0x7c/0x240\n Call Trace:\n ? serial8250_handle_irq+0x7c/0x240\n ? __pfx_serial8250_timeout+0x10/0x10"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/tty/serial/8250/8250_port.c"], "versions": [{"version": "edfe57aedff4", "lessThan": "ee5732caaffb", "status": "affected", "versionType": "git"}, {"version": "0bd49a043c79", "lessThan": "c334650150c2", "status": "affected", "versionType": "git"}, {"version": "572d48361aa0", "lessThan": "bf3c728e3692", "status": "affected", "versionType": "git"}, 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In such a case we need to skip the wake\nevent as we came to this path from the timer interrupt and quite\nlikely system is already awake.\n\nWithout this fix we have got an Oops:\n\n serial8250: ttyS0 at I/O 0x3f8 (irq = 0, base_baud = 115200) is a 16550A\n ...\n BUG: kernel NULL pointer dereference, address: 0000000000000010\n RIP: 0010:serial8250_handle_irq+0x7c/0x240\n Call Trace:\n ? serial8250_handle_irq+0x7c/0x240\n ? __pfx_serial8250_timeout+0x10/0x10"}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-04T14:48:53.177Z"}}}, "cveMetadata": {"cveId": "CVE-2023-52567", "state": "PUBLISHED", "dateUpdated": "2024-11-04T14:48:53.177Z", "dateReserved": "2024-03-02T21:55:42.567Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-03-02T21:59:38.815Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nserial: 8250_port: Check IRQ data before use\n\nIn case the leaf driver wants to use IRQ polling (irq = 0) and\nIIR register shows that an interrupt happened in the 8250 hardware\nthe IRQ data can be NULL. In such a case we need to skip the wake\nevent as we came to this path from the timer interrupt and quite\nlikely system is already awake.\n\nWithout this fix we have got an Oops:\n\n serial8250: ttyS0 at I/O 0x3f8 (irq = 0, base_baud = 115200) is a 16550A\n ...\n BUG: kernel NULL pointer dereference, address: 0000000000000010\n RIP: 0010:serial8250_handle_irq+0x7c/0x240\n Call Trace:\n ? serial8250_handle_irq+0x7c/0x240\n ? __pfx_serial8250_timeout+0x10/0x10"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: serial: 8250_port: verifique los datos IRQ antes de usarlos. En caso de que el controlador hoja quiera usar el sondeo IRQ (irq = 0) y el registro IIR muestre que ocurri\u00f3 una interrupci\u00f3n en el hardware 8250, el IRQ los datos pueden ser NULL. En tal caso, debemos omitir el evento de activaci\u00f3n, ya que llegamos a este camino desde la interrupci\u00f3n del temporizador y es muy probable que el sistema ya est\u00e9 despierto. Sin esta soluci\u00f3n, tenemos un Ups: serial8250: ttyS0 en E/S 0x3f8 (irq = 0, base_baud = 115200) es un 16550A... ERROR: desreferencia del puntero NULL del kernel, direcci\u00f3n: 00000000000000010 RIP: 0010:serial8250_handle_irq+0x7c/ 0x240 Seguimiento de llamadas: ? serial8250_handle_irq+0x7c/0x240? __pfx_serial8250_timeout+0x10/0x10"}], "id": "CVE-2023-52567", "lastModified": "2024-11-21T08:40:04.773", "metrics": {}, "published": "2024-03-02T22:15:49.073", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2b837f13a818f96304736453ac53b66a70aaa4f2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3345cc5f02f1fb4c4dcb114706f2210d879ab933"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bf3c728e3692cc6d998874f0f27d433117348742"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c334650150c29234b0923476f51573ae1b2f252a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cce7fc8b29961b64fadb1ce398dc5ff32a79643b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e14afa4450cb7e4cf93e993a765801203d41d014"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e14f68a48fd445a083ac0750fafcb064df5f18f7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ee5732caaffba3a37e753fdb89b4958db9a61847"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/2b837f13a818f96304736453ac53b66a70aaa4f2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/3345cc5f02f1fb4c4dcb114706f2210d879ab933"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/bf3c728e3692cc6d998874f0f27d433117348742"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/c334650150c29234b0923476f51573ae1b2f252a"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/cce7fc8b29961b64fadb1ce398dc5ff32a79643b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/e14afa4450cb7e4cf93e993a765801203d41d014"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/e14f68a48fd445a083ac0750fafcb064df5f18f7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/ee5732caaffba3a37e753fdb89b4958db9a61847"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: serial: 8250_port: IRQ data NULL pointer dereference", "id": "2267739", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2267739"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nserial: 8250_port: Check IRQ data before use\nIn case the leaf driver wants to use IRQ polling (irq = 0) and\nIIR register shows that an interrupt happened in the 8250 hardware\nthe IRQ data can be NULL. In such a case we need to skip the wake\nevent as we came to this path from the timer interrupt and quite\nlikely system is already awake.\nWithout this fix we have got an Oops:\nserial8250: ttyS0 at I/O 0x3f8 (irq = 0, base_baud = 115200) is a 16550A\n...\nBUG: kernel NULL pointer dereference, address: 0000000000000010\nRIP: 0010:serial8250_handle_irq+0x7c/0x240\nCall Trace:\n? serial8250_handle_irq+0x7c/0x240\n? __pfx_serial8250_timeout+0x10/0x10"], "name": "CVE-2023-52567", "package_state": [{"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": "2024-03-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52567\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52567\nhttps://lore.kernel.org/linux-cve-announce/2024030254-CVE-2023-52567-38c1@gregkh/T/#u"], "threat_severity": "Low", "upstream_fix": "kernel 4.14.327, kernel 4.19.296, kernel 5.4.258, kernel 5.10.198, kernel 5.15.134, kernel 6.1.56, kernel 6.5.6, kernel 6.6"}