{"id":"CVE-2023-53803","title":"scsi: ses: Fix slab-out-of-bounds in ses_enclosure_data_process()","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: ses: Fix slab-out-of-bounds in ses_enclosure_data_process()\n\nA fix for:\n\nBUG: KASAN: slab-out-of-bounds in ses_enclosure_data_process+0x949/0xe30 [ses]\nRead of si…","severity":"high","cvss":8.1,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","cvssSource":"cna","vendor":"Linux","product":"Linux","affected":["Linux >= 21fab1d0595eacf781705ec3509012a28f298245 < da1a955c48a16e16e925d6544793914e52a6fa51","Linux >= 21fab1d0595eacf781705ec3509012a28f298245 < 9e5c7d52085b8c84bc82a261580f0eb170039325","Linux >= 21fab1d0595eacf781705ec3509012a28f298245 < 467afb1dd630d8c6d172bd6cacc125199b5f4f2d","Linux >= 21fab1d0595eacf781705ec3509012a28f298245 < e4dd25da784b2e07dbfbf04509afa4c5a1375227","Linux >= 21fab1d0595eacf781705ec3509012a28f298245 < 2b28a7d261cb309912596d6a2d383ca370483527","Linux >= 21fab1d0595eacf781705ec3509012a28f298245 < 0dfe68394cbe1d4fe579fb325ecc813c50528c5a","Linux >= 21fab1d0595eacf781705ec3509012a28f298245 < 799e8dd2022d2e13f0c5c1906b40ceca07a23349","Linux >= 21fab1d0595eacf781705ec3509012a28f298245 < 9b4f5028e493cb353a5c8f5c45073eeea0303abd","Linux 2.6.32"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-15T21:37:21.974474Z"},"published":"2025-12-09","updated":"2026-10-15","sourceUpdated":"2026-10-15T21:41:36.435Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-53803","references":[{"url":"https://git.kernel.org/stable/c/da1a955c48a16e16e925d6544793914e52a6fa51"},{"url":"https://git.kernel.org/stable/c/9e5c7d52085b8c84bc82a261580f0eb170039325"},{"url":"https://git.kernel.org/stable/c/467afb1dd630d8c6d172bd6cacc125199b5f4f2d"},{"url":"https://git.kernel.org/stable/c/e4dd25da784b2e07dbfbf04509afa4c5a1375227"},{"url":"https://git.kernel.org/stable/c/2b28a7d261cb309912596d6a2d383ca370483527"},{"url":"https://git.kernel.org/stable/c/0dfe68394cbe1d4fe579fb325ecc813c50528c5a"},{"url":"https://git.kernel.org/stable/c/799e8dd2022d2e13f0c5c1906b40ceca07a23349"},{"url":"https://git.kernel.org/stable/c/9b4f5028e493cb353a5c8f5c45073eeea0303abd"}],"tags":["cve.org"],"epss":0.00289,"epssPercentile":0.20126,"ingestedAt":"2026-10-15T22:48:25.421Z","slug":"CVE-2023-53803","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nscsi: ses: Fix slab-out-of-bounds in ses_enclosure_data_process()\n\nA fix for:\n\nBUG: KASAN: slab-out-of-bounds in ses_enclosure_data_process+0x949/0xe30 [ses]\nRead of size 1 at addr ffff88a1b043a451 by task systemd-udevd/3271\n\nChecking after (and before in next loop) addl_desc_ptr[1] is sufficient, we\nexpect the size to be sanitized before first access to addl_desc_ptr[1].\nMake sure we don't walk beyond end of page.\n\n## Affected\n\n- `Linux >= 21fab1d0595eacf781705ec3509012a28f298245 < da1a955c48a16e16e925d6544793914e52a6fa51`\n- `Linux >= 21fab1d0595eacf781705ec3509012a28f298245 < 9e5c7d52085b8c84bc82a261580f0eb170039325`\n- `Linux >= 21fab1d0595eacf781705ec3509012a28f298245 < 467afb1dd630d8c6d172bd6cacc125199b5f4f2d`\n- `Linux >= 21fab1d0595eacf781705ec3509012a28f298245 < e4dd25da784b2e07dbfbf04509afa4c5a1375227`\n- `Linux >= 21fab1d0595eacf781705ec3509012a28f298245 < 2b28a7d261cb309912596d6a2d383ca370483527`\n- `Linux >= 21fab1d0595eacf781705ec3509012a28f298245 < 0dfe68394cbe1d4fe579fb325ecc813c50528c5a`\n- `Linux >= 21fab1d0595eacf781705ec3509012a28f298245 < 799e8dd2022d2e13f0c5c1906b40ceca07a23349`\n- `Linux >= 21fab1d0595eacf781705ec3509012a28f298245 < 9b4f5028e493cb353a5c8f5c45073eeea0303abd`\n- `Linux 2.6.32`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":44.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}