ghsa-xgvm-jcp3-352m
Vulnerability from github
Published
2024-11-09 12:30
Modified
2024-11-13 18:31
Severity ?
Details
In the Linux kernel, the following vulnerability has been resolved:
drm/connector: hdmi: Fix memory leak in drm_display_mode_from_cea_vic()
modprobe drm_connector_test and then rmmod drm_connector_test, the following memory leak occurs.
The mode
allocated in drm_mode_duplicate() called by
drm_display_mode_from_cea_vic() is not freed, which cause the memory leak:
unreferenced object 0xffffff80cb0ee400 (size 128):
comm "kunit_try_catch", pid 1948, jiffies 4294950339
hex dump (first 32 bytes):
14 44 02 00 80 07 d8 07 04 08 98 08 00 00 38 04 .D............8.
3c 04 41 04 65 04 00 00 05 00 00 00 00 00 00 00 <.A.e...........
backtrace (crc 90e9585c):
[<00000000ec42e3d7>] kmemleak_alloc+0x34/0x40
[<00000000d0ef055a>] __kmalloc_cache_noprof+0x26c/0x2f4
[<00000000c2062161>] drm_mode_duplicate+0x44/0x19c
[<00000000f96c74aa>] drm_display_mode_from_cea_vic+0x88/0x98
[<00000000d8f2c8b4>] 0xffffffdc982a4868
[<000000005d164dbc>] kunit_try_run_case+0x13c/0x3ac
[<000000006fb23398>] kunit_generic_run_threadfn_adapter+0x80/0xec
[<000000006ea56ca0>] kthread+0x2e8/0x374
[<000000000676063f>] ret_from_fork+0x10/0x20
......
Free mode
by using drm_kunit_display_mode_from_cea_vic()
to fix it.
{ affected: [], aliases: [ "CVE-2024-50214", ], database_specific: { cwe_ids: [ "CWE-401", ], github_reviewed: false, github_reviewed_at: null, nvd_published_at: "2024-11-09T11:15:06Z", severity: "MODERATE", }, details: "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/connector: hdmi: Fix memory leak in drm_display_mode_from_cea_vic()\n\nmodprobe drm_connector_test and then rmmod drm_connector_test,\nthe following memory leak occurs.\n\nThe `mode` allocated in drm_mode_duplicate() called by\ndrm_display_mode_from_cea_vic() is not freed, which cause the memory leak:\n\n\tunreferenced object 0xffffff80cb0ee400 (size 128):\n\t comm \"kunit_try_catch\", pid 1948, jiffies 4294950339\n\t hex dump (first 32 bytes):\n\t 14 44 02 00 80 07 d8 07 04 08 98 08 00 00 38 04 .D............8.\n\t 3c 04 41 04 65 04 00 00 05 00 00 00 00 00 00 00 <.A.e...........\n\t backtrace (crc 90e9585c):\n\t [<00000000ec42e3d7>] kmemleak_alloc+0x34/0x40\n\t [<00000000d0ef055a>] __kmalloc_cache_noprof+0x26c/0x2f4\n\t [<00000000c2062161>] drm_mode_duplicate+0x44/0x19c\n\t [<00000000f96c74aa>] drm_display_mode_from_cea_vic+0x88/0x98\n\t [<00000000d8f2c8b4>] 0xffffffdc982a4868\n\t [<000000005d164dbc>] kunit_try_run_case+0x13c/0x3ac\n\t [<000000006fb23398>] kunit_generic_run_threadfn_adapter+0x80/0xec\n\t [<000000006ea56ca0>] kthread+0x2e8/0x374\n\t [<000000000676063f>] ret_from_fork+0x10/0x20\n\t......\n\nFree `mode` by using drm_kunit_display_mode_from_cea_vic()\nto fix it.", id: "GHSA-xgvm-jcp3-352m", modified: "2024-11-13T18:31:53Z", published: "2024-11-09T12:30:47Z", references: [ { type: "ADVISORY", url: "https://nvd.nist.gov/vuln/detail/CVE-2024-50214", }, { type: "WEB", url: "https://git.kernel.org/stable/c/926163342a2e7595d950e84c17c693b1272bd491", }, { type: "WEB", url: "https://git.kernel.org/stable/c/df2b00685cd33cd85be8910c7d6d22c4ebbf18bb", }, ], schema_version: "1.4.0", severity: [ { score: "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", type: "CVSS_V3", }, ], }
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