{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53305","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-06-09T07:44:35.397Z","datePublished":"2026-06-26T19:41:00.712Z","dateUpdated":"2026-06-26T19:41:00.712Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-06-26T19:41:00.712Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: ps883x: Fix Oops at unbind\n\nWhen trying to unbind a device in order to bind to it vfio-platform as:\n\n  echo bc0000.geniqup  > /sys/bus/platform/devices/bc0000.geniqup/driver/unbind\n\nI get the following Oops:\n\n[  436.478639] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000020\n[  436.487762] Mem abort info:\n[  436.490716]   ESR = 0x0000000096000004\n[  436.494595]   EC = 0x25: DABT (current EL), IL = 32 bits\n[  436.500071]   SET = 0, FnV = 0\n[  436.503250]   EA = 0, S1PTW = 0\n[  436.506505]   FSC = 0x04: level 0 translation fault\n[  436.511533] Data abort info:\n[  436.514558]   ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000\n[  436.520215]   CM = 0, WnR = 0, TnD = 0, TagAccess = 0\n[  436.525436]   GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0\n[  436.530918] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008861a9000\n[  436.537554] [0000000000000020] pgd=0000000000000000, p4d=0000000000000000\n[  436.544548] Internal error: Oops: 0000000096000004 [#1]  SMP\n[  436.550374] Modules linked in:\n[  436.553542] CPU: 2 UID: 0 PID: 671 Comm: bash Tainted: G        W           7.0.0-rc3-g56fcdd0911a5-dirty #2 PREEMPT\n[  436.564440] Tainted: [W]=WARN\n[  436.567515] Hardware name: LENOVO 91B6CTO1WW/3796, BIOS O6NKT3BA 05/02/2025\n[  436.574675] pstate: 21400005 (nzCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)\n[  436.581841] pc : ps883x_retimer_remove+0x14/0x94\n[  436.586605] lr : i2c_device_remove+0x28/0x84\n[  436.591017] sp : ffff8000847137c0\n\nThat's because the ps883x_retimer_remove() retrieves the driver data\nfrom i2c_get_clientdata() which was never set at probe. So, add\ni2c_set_clientdata() at the end of the probe."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/typec/mux/ps883x.c"],"versions":[{"version":"257a087c8b5206e046048de6053fc8b3fa1af814","lessThan":"37a3d1b6827783f26d2f8e6c7683e253ba79ae93","status":"affected","versionType":"git"},{"version":"257a087c8b5206e046048de6053fc8b3fa1af814","lessThan":"c404d0ac0cb085cb7077ba32c334cc4042feb81a","status":"affected","versionType":"git"},{"version":"257a087c8b5206e046048de6053fc8b3fa1af814","lessThan":"381133848a033c2086cf9cafb226f425bd0414ff","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/usb/typec/mux/ps883x.c"],"versions":[{"version":"6.15","status":"affected"},{"version":"0","lessThan":"6.15","status":"unaffected","versionType":"semver"},{"version":"6.18.33","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.10","lessThanOrEqual":"7.0.*","status":"unaffected","versionType":"semver"},{"version":"7.1","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":"6.15","versionEndExcluding":"6.18.33"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.15","versionEndExcluding":"7.0.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.15","versionEndExcluding":"7.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/37a3d1b6827783f26d2f8e6c7683e253ba79ae93"},{"url":"https://git.kernel.org/stable/c/c404d0ac0cb085cb7077ba32c334cc4042feb81a"},{"url":"https://git.kernel.org/stable/c/381133848a033c2086cf9cafb226f425bd0414ff"}],"title":"usb: typec: ps883x: Fix Oops at unbind","x_generator":{"engine":"bippy-1.2.0"}}}}