CVE - CVE-2022-49277

CVE-ID
CVE-2022-49277	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
In the Linux kernel, the following vulnerability has been resolved: jffs2: fix memory leak in jffs2_do_mount_fs If jffs2_build_filesystem() in jffs2_do_mount_fs() returns an error, we can observe the following kmemleak report: -------------------------------------------- unreferenced object 0xffff88811b25a640 (size 64): comm "mount", pid 691, jiffies 4294957728 (age 71.952s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffffa493be24>] kmem_cache_alloc_trace+0x584/0x880 [<ffffffffa5423a06>] jffs2_sum_init+0x86/0x130 [<ffffffffa5400e58>] jffs2_do_mount_fs+0x798/0xac0 [<ffffffffa540acf3>] jffs2_do_fill_super+0x383/0xc30 [<ffffffffa540c00a>] jffs2_fill_super+0x2ea/0x4c0 [...] unreferenced object 0xffff88812c760000 (size 65536): comm "mount", pid 691, jiffies 4294957728 (age 71.952s) hex dump (first 32 bytes): bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb ................ bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb ................ backtrace: [<ffffffffa493a449>] __kmalloc+0x6b9/0x910 [<ffffffffa5423a57>] jffs2_sum_init+0xd7/0x130 [<ffffffffa5400e58>] jffs2_do_mount_fs+0x798/0xac0 [<ffffffffa540acf3>] jffs2_do_fill_super+0x383/0xc30 [<ffffffffa540c00a>] jffs2_fill_super+0x2ea/0x4c0 [...] -------------------------------------------- This is because the resources allocated in jffs2_sum_init() are not released. Call jffs2_sum_exit() to release these resources to solve the problem.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/0978e9af4559a171ac7a74a1b3ef21804b0a0fa9 URL:https://git.kernel.org/stable/c/0978e9af4559a171ac7a74a1b3ef21804b0a0fa9 MISC:https://git.kernel.org/stable/c/2a9d8184458562e6bf2f40d0e677fc85e2dd3834 URL:https://git.kernel.org/stable/c/2a9d8184458562e6bf2f40d0e677fc85e2dd3834 MISC:https://git.kernel.org/stable/c/4392e8aeebc5a4f8073620bccba7de1b1f6d7c88 URL:https://git.kernel.org/stable/c/4392e8aeebc5a4f8073620bccba7de1b1f6d7c88 MISC:https://git.kernel.org/stable/c/5f34310d1376ca5b2ed798258def2c2ab3cc6699 URL:https://git.kernel.org/stable/c/5f34310d1376ca5b2ed798258def2c2ab3cc6699 MISC:https://git.kernel.org/stable/c/607d3aab7349f18e0d9dba4100d09d16fe27caca URL:https://git.kernel.org/stable/c/607d3aab7349f18e0d9dba4100d09d16fe27caca MISC:https://git.kernel.org/stable/c/9a0f6610c7daedd2eace430beeb08a8b7ac80699 URL:https://git.kernel.org/stable/c/9a0f6610c7daedd2eace430beeb08a8b7ac80699 MISC:https://git.kernel.org/stable/c/c94128470e6fe53d9bd9d16d2d3271813f9d37af URL:https://git.kernel.org/stable/c/c94128470e6fe53d9bd9d16d2d3271813f9d37af MISC:https://git.kernel.org/stable/c/d051cef784de4d54835f6b6836d98a8f6935772c URL:https://git.kernel.org/stable/c/d051cef784de4d54835f6b6836d98a8f6935772c MISC:https://git.kernel.org/stable/c/dbe0d0521eaa6a3d235517319266c539bb5c5112 URL:https://git.kernel.org/stable/c/dbe0d0521eaa6a3d235517319266c539bb5c5112
Assigning CNA
kernel.org
Date Record Created
20250226	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20250226)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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