7.8

CVE-2024-26622

tomoyo: fix UAF write bug in tomoyo_write_control()

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

tomoyo: fix UAF write bug in tomoyo_write_control()

Since tomoyo_write_control() updates head->write_buf when write()
of long lines is requested, we need to fetch head->write_buf after
head->io_sem is held.  Otherwise, concurrent write() requests can
cause use-after-free-write and double-free problems.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 3.1 < 5.10.212
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.151
Linux ≫ Linux Kernel Version >= 5.16 < 6.1.81
Linux ≫ Linux Kernel Version >= 6.2 < 6.6.21
Linux ≫ Linux Kernel Version >= 6.7 < 6.7.9
Linux ≫ Linux Kernel Version6.8 Updaterc1
Linux ≫ Linux Kernel Version6.8 Updaterc2
Linux ≫ Linux Kernel Version6.8 Updaterc3
Linux ≫ Linux Kernel Version6.8 Updaterc4
Linux ≫ Linux Kernel Version6.8 Updaterc5
Linux ≫ Linux Kernel Version6.8 Updaterc6
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.24% 0.145
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
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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.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://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
Patch
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IVVYSTEVMPYGF6GDSOD44MUXZXAZHOHB/
https://git.kernel.org/stable/c/2caa605079488da9601099fbda460cfc1702839f
Patch
https://git.kernel.org/stable/c/2f03fc340cac9ea1dc63cbf8c93dd2eb0f227815
Patch
https://git.kernel.org/stable/c/3bfe04c1273d30b866f4c7c238331ed3b08e5824
Patch
https://git.kernel.org/stable/c/6edefe1b6c29a9932f558a898968a9fcbeec5711
Patch
https://git.kernel.org/stable/c/7d930a4da17958f869ef679ee0e4a8729337affc
Patch
https://git.kernel.org/stable/c/a23ac1788e2c828c097119e9a3178f0b7e503fee
Patch