7.8

CVE-2023-53307

rbd: avoid use-after-free in do_rbd_add() when rbd_dev_create() fails

In the Linux kernel, the following vulnerability has been resolved:

rbd: avoid use-after-free in do_rbd_add() when rbd_dev_create() fails

If getting an ID or setting up a work queue in rbd_dev_create() fails,
use-after-free on rbd_dev->rbd_client, rbd_dev->spec and rbd_dev->opts
is triggered in do_rbd_add().  The root cause is that the ownership of
these structures is transfered to rbd_dev prematurely and they all end
up getting freed when rbd_dev_create() calls rbd_dev_free() prior to
returning to do_rbd_add().

Found by Linux Verification Center (linuxtesting.org) with SVACE, an
incomplete patch submitted by Natalia Petrova <n.petrova@fintech.ru>.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.9 < 4.14.308
Linux ≫ Linux Kernel Version >= 4.15 < 4.19.276
Linux ≫ Linux Kernel Version >= 4.20 < 5.4.235
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.173
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.99
Linux ≫ Linux Kernel Version >= 5.16 < 6.1.16
Linux ≫ Linux Kernel Version >= 6.2 < 6.2.3
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.15% 0.045
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
134c704f-9b21-4f2e-91b3-4a467353bcc0 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-416 Use After Free

The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

https://git.kernel.org/stable/c/71da2a151ed1adb0aea4252b16d81b53012e7afd
Patch
https://git.kernel.org/stable/c/e3cbb4d60764295992c95344f2d779439e8b34ce
Patch
https://git.kernel.org/stable/c/9787b328c42c13c4f31e7d5042c4e877e9344068
Patch
https://git.kernel.org/stable/c/ae16346078b1189aee934afd872d9f3d0a682c33
Patch
https://git.kernel.org/stable/c/a73783e4e0c4d1507794da211eeca75498544dff
Patch
https://git.kernel.org/stable/c/faa7b683e436664fff5648426950718277831348
Patch
https://git.kernel.org/stable/c/cc8c0dd2984503ed09efa37bcafcef3d3da104e8
Patch
https://git.kernel.org/stable/c/f7c4d9b133c7a04ca619355574e96b6abf209fba
Patch