{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2023-54277", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-30T12:06:44.524Z", "datePublished": "2025-12-30T12:16:05.690Z", "dateUpdated": "2026-05-23T15:35:03.102Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T15:35:03.102Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: udlfb: Fix endpoint check\n\nThe syzbot fuzzer detected a problem in the udlfb driver, caused by an\nendpoint not having the expected type:\n\nusb 1-1: Read EDID byte 0 failed: -71\nusb 1-1: Unable to get valid EDID from device/display\n------------[ cut here ]------------\nusb 1-1: BOGUS urb xfer, pipe 3 != type 1\nWARNING: CPU: 0 PID: 9 at drivers/usb/core/urb.c:504 usb_submit_urb+0xed6/0x1880\ndrivers/usb/core/urb.c:504\nModules linked in:\nCPU: 0 PID: 9 Comm: kworker/0:1 Not tainted\n6.4.0-rc1-syzkaller-00016-ga4422ff22142 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google\n04/28/2023\nWorkqueue: usb_hub_wq hub_event\nRIP: 0010:usb_submit_urb+0xed6/0x1880 drivers/usb/core/urb.c:504\n...\nCall Trace:\n \n dlfb_submit_urb+0x92/0x180 drivers/video/fbdev/udlfb.c:1980\n dlfb_set_video_mode+0x21f0/0x2950 drivers/video/fbdev/udlfb.c:315\n dlfb_ops_set_par+0x2a7/0x8d0 drivers/video/fbdev/udlfb.c:1111\n dlfb_usb_probe+0x149a/0x2710 drivers/video/fbdev/udlfb.c:1743\n\nThe current approach for this issue failed to catch the problem\nbecause it only checks for the existence of a bulk-OUT endpoint; it\ndoesn't check whether this endpoint is the one that the driver will\nactually use.\n\nWe can fix the problem by instead checking that the endpoint used by\nthe driver does exist and is bulk-OUT." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/video/fbdev/udlfb.c" ], "versions": [ { "version": "f6db63819db632158647d5bbf4d7d2d90dc1a268", "lessThan": "1522dc58bff87af79461b96d90ec122e9e726004", "status": "affected", "versionType": "git" }, { "version": "c4fb41bdf4d6ccca850c4af5d707d14a0fb717a7", "lessThan": "58ecc165abdaed85447455e6dc396758e8c6f219", "status": "affected", "versionType": "git" }, { "version": "4df1584738f1dc6f0dd854d258bba48591f1ed0e", "lessThan": "9e12c58a5ece41be72157cef348576b135c9fc72", "status": "affected", "versionType": "git" }, { "version": "aaf7dbe07385e0b8deb7237eca2a79926bbc7091", "lessThan": "c8fdf7feca77cd99e25ef0a1e9e72dfc83add8ef", "status": "affected", "versionType": "git" }, { "version": "aaf7dbe07385e0b8deb7237eca2a79926bbc7091", "lessThan": "e19383e5dee5adbf3d19f3f210f440a88d1b7dde", "status": "affected", "versionType": "git" }, { "version": "aaf7dbe07385e0b8deb7237eca2a79926bbc7091", "lessThan": "ed9de4ed39875706607fb08118a58344ae6c5f42", "status": "affected", "versionType": "git" }, { "version": "895ea8a290ba87850bcaf2ecfcddef75a014fa54", "status": "affected", "versionType": "git" }, { "version": "5.4.192", "lessThan": "5.4.244", "status": "affected", "versionType": "semver" }, { "version": "5.10.114", "lessThan": "5.10.181", "status": "affected", "versionType": "semver" }, { "version": "5.15.38", "lessThan": "5.15.114", "status": "affected", "versionType": "semver" }, { "version": "5.17.6", "lessThan": "5.18", "status": "affected", "versionType": "semver" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/video/fbdev/udlfb.c" ], "versions": [ { "version": "5.18", "status": "affected" }, { "version": "0", "lessThan": "5.18", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.244", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.181", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.114", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.31", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.3.5", "lessThanOrEqual": "6.3.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.4", "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": "5.4.192", "versionEndExcluding": "5.4.244" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10.114", "versionEndExcluding": "5.10.181" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15.38", "versionEndExcluding": "5.15.114" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.1.31" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.3.5" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.4" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.17.6" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/1522dc58bff87af79461b96d90ec122e9e726004" }, { "url": "https://git.kernel.org/stable/c/58ecc165abdaed85447455e6dc396758e8c6f219" }, { "url": "https://git.kernel.org/stable/c/9e12c58a5ece41be72157cef348576b135c9fc72" }, { "url": "https://git.kernel.org/stable/c/c8fdf7feca77cd99e25ef0a1e9e72dfc83add8ef" }, { "url": "https://git.kernel.org/stable/c/e19383e5dee5adbf3d19f3f210f440a88d1b7dde" }, { "url": "https://git.kernel.org/stable/c/ed9de4ed39875706607fb08118a58344ae6c5f42" } ], "title": "fbdev: udlfb: Fix endpoint check", "x_generator": { "engine": "bippy-1.2.0" } } } }