CVE-2022-50404
published 2025-09-18CVE-2022-50404: In the Linux kernel, the following vulnerability has been resolved: fbdev: fbcon: release buffer when fbcon_do_set_font() failed syzbot is reporting memory…
PriorityP418medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.15%
4.5th percentile
In the Linux kernel, the following vulnerability has been resolved:
fbdev: fbcon: release buffer when fbcon_do_set_font() failed
syzbot is reporting memory leak at fbcon_do_set_font() [1], for
commit a5a923038d70 ("fbdev: fbcon: Properly revert changes when
vc_resize() failed") missed that the buffer might be newly allocated
by fbcon_set_font().
Affected
18 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.1.4-1 (bookworm) | linux 6.1.4-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | — | — |
| linux | linux | >= 5.15.64 < 5.15.86 | 5.15.86 |
| linux | linux | >= 5.19.6 < 5.20 | 5.20 |
| linux | linux | >= 868749a7456dc48e93887a8474194e2ee6d6c21f < 5a341810a22e51c3a7a108f7896b5fd58d44d127 | 5a341810a22e51c3a7a108f7896b5fd58d44d127 |
| linux | linux | >= a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24 < 06926607b9fddf7ce8017493899ce6eb7e79a123 | 06926607b9fddf7ce8017493899ce6eb7e79a123 |
| linux | linux | >= a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24 < a609bfc1e644a8467cb31945ed1488374ebdc013 | a609bfc1e644a8467cb31945ed1488374ebdc013 |
| linux | linux | >= a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24 < 3c3bfb8586f848317ceba5d777e11204ba3e5758 | 3c3bfb8586f848317ceba5d777e11204ba3e5758 |
| linux | linux | >= ebd6f886aa2447fcfcdce5450c9e1028e1d681bb < 88ec6d11052da527eb9268831e7a9bc5bbad02f6 | 88ec6d11052da527eb9268831e7a9bc5bbad02f6 |
| linux | linux_kernel | — | — |
| linux | linux_kernel | >= 0 < 6.1.4-1 | 6.1.4-1 |
| linux | linux_kernel | >= 0 < 6.1.4-1 | 6.1.4-1 |
| linux | linux_kernel | >= 0 < 6.1.4-1 | 6.1.4-1 |
| linux | linux_kernel | >= 5.15.64 < 5.15.86 | 5.15.86 |
| linux | linux_kernel | >= 5.19.6 < 6.0 | 6.0 |
| linux | linux_kernel | >= 6.0.1 < 6.0.16 | 6.0.16 |
| linux | linux_kernel | >= 6.1 < 6.1.2 | 6.1.2 |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
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Red Hat
kernel: fbdev: fbcon: release buffer when fbcon_do_set_font() failed
vendor_redhat·2025-09-18·CVSS 5.5
CVE-2022-50404 [MEDIUM] CWE-212 kernel: fbdev: fbcon: release buffer when fbcon_do_set_font() failed
kernel: fbdev: fbcon: release buffer when fbcon_do_set_font() failed
In the Linux kernel, the following vulnerability has been resolved:
fbdev: fbcon: release buffer when fbcon_do_set_font() failed
syzbot is reporting memory leak at fbcon_do_set_font() [1], for
commit a5a923038d70 ("fbdev: fbcon: Properly revert changes when
vc_resize() failed") missed that the buffer might be newly allocated
by fbcon_set_font().
Package: kernel (Red Hat Enterprise Linux 10) - Not affected
Package: kernel (Red Hat Enterprise Linux 6) - Not affected
Package: kernel (Red Hat Enterprise Linux 7) - Not affected
Package: kernel-rt (Red Hat Enterprise Linux 7) - Not affected
Package: kernel (Red Hat Enterprise Linux 8) - Not affected
Package: kernel-rt (Red Hat Enterprise Linux 8) - Not affected
Package:
Debian
CVE-2022-50404: linux - In the Linux kernel, the following vulnerability has been resolved: fbdev: fbco...
vendor_debian·2022·CVSS 5.5
CVE-2022-50404 [MEDIUM] CVE-2022-50404: linux - In the Linux kernel, the following vulnerability has been resolved: fbdev: fbco...
In the Linux kernel, the following vulnerability has been resolved: fbdev: fbcon: release buffer when fbcon_do_set_font() failed syzbot is reporting memory leak at fbcon_do_set_font() [1], for commit a5a923038d70 ("fbdev: fbcon: Properly revert changes when vc_resize() failed") missed that the buffer might be newly allocated by fbcon_set_font().
Scope: local
bookworm: resolved (fixed in 6.1.4-1)
bullseye: resolved
forky: resolved (fixed in 6.1.4-1)
sid: resolved (fixed in 6.1.4-1)
trixie: resolved (fixed in 6.1.4-1)
OSV
CVE-2022-50404: In the Linux kernel, the following vulnerability has been resolved: fbdev: fbcon: release buffer when fbcon_do_set_font() failed syzbot is reporting m
osv·2025-09-18·CVSS 5.5
CVE-2022-50404 [MEDIUM] CVE-2022-50404: In the Linux kernel, the following vulnerability has been resolved: fbdev: fbcon: release buffer when fbcon_do_set_font() failed syzbot is reporting m
In the Linux kernel, the following vulnerability has been resolved: fbdev: fbcon: release buffer when fbcon_do_set_font() failed syzbot is reporting memory leak at fbcon_do_set_font() [1], for commit a5a923038d70 ("fbdev: fbcon: Properly revert changes when vc_resize() failed") missed that the buffer might be newly allocated by fbcon_set_font().
GHSA
GHSA-mj94-g7gv-r97m: In the Linux kernel, the following vulnerability has been resolved:
fbdev: fbcon: release buffer when fbcon_do_set_font() failed
syzbot is reporting
ghsa_unreviewed·2025-09-18
CVE-2022-50404 [MEDIUM] CWE-401 GHSA-mj94-g7gv-r97m: In the Linux kernel, the following vulnerability has been resolved:
fbdev: fbcon: release buffer when fbcon_do_set_font() failed
syzbot is reporting
In the Linux kernel, the following vulnerability has been resolved:
fbdev: fbcon: release buffer when fbcon_do_set_font() failed
syzbot is reporting memory leak at fbcon_do_set_font() [1], for
commit a5a923038d70 ("fbdev: fbcon: Properly revert changes when
vc_resize() failed") missed that the buffer might be newly allocated
by fbcon_set_font().
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://git.kernel.org/stable/c/06926607b9fddf7ce8017493899ce6eb7e79a123https://git.kernel.org/stable/c/3c3bfb8586f848317ceba5d777e11204ba3e5758https://git.kernel.org/stable/c/5a341810a22e51c3a7a108f7896b5fd58d44d127https://git.kernel.org/stable/c/88ec6d11052da527eb9268831e7a9bc5bbad02f6https://git.kernel.org/stable/c/a609bfc1e644a8467cb31945ed1488374ebdc013
2025-09-18
Published