cbcvebase.
CVE-2022-49276
published 2025-02-26

CVE-2022-49276: In the Linux kernel, the following vulnerability has been resolved: jffs2: fix memory leak in jffs2_scan_medium If an error is returned in…

PriorityP419medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.26%
17.9th percentile
In the Linux kernel, the following vulnerability has been resolved: jffs2: fix memory leak in jffs2_scan_medium If an error is returned in jffs2_scan_eraseblock() and some memory has been added to the jffs2_summary *s, we can observe the following kmemleak report: unreferenced object 0xffff88812b889c40 (size 64): comm "mount", pid 692, jiffies 4294838325 (age 34.288s) hex dump (first 32 bytes): 40 48 b5 14 81 88 ff ff 01 e0 31 00 00 00 50 00 @H........1...P. 00 00 01 00 00 00 01 00 00 00 02 00 00 00 09 08 ................ backtrace: [] __kmalloc+0x613/0x910 [] jffs2_sum_add_dirent_mem+0x5c/0xa0 [] jffs2_scan_medium.cold+0x36e5/0x4794 [] jffs2_do_mount_fs.cold+0xa7/0x2267 [] jffs2_do_fill_super+0x383/0xc30 [] jffs2_fill_super+0x2ea/0x4c0 [] mtd_get_sb+0x254/0x400 [] mtd_get_sb_by_nr+0x4f/0xd0 [] get_tree_mtd+0x498/0x840 [] jffs2_get_tree+0x25/0x30 [] vfs_get_tree+0x8d/0x2e0 [] path_mount+0x50f/0x1e50 [] do_mount+0x107/0x130 [] __se_sys_mount+0x1c5/0x2f0 [] __x64_sys_mount+0xc7/0x160 [] do_syscall_64+0x45/0x70 unreferenced object 0xffff888114b54840 (size 32): comm "mount", pid 692, jiffies 4294838325 (age 34.288s) hex dump (first 32 bytes): c0 75 b5 14 81 88 ff ff 02 e0 02 00 00 00 02 00 .u.............. 00 00 84 00 00 00 44 00 00 00 6b 6b 6b 6b 6b a5 ......D...kkkkk. backtrace: [] kmem_cache_alloc_trace+0x584/0x880 [] jffs2_sum_add_inode_mem+0x54/0x90 [] jffs2_scan_medium.cold+0x4481/0x4794 [...] unreferenced object 0xffff888114b57280 (size 32): comm "mount", pid 692, jiffies 4294838393 (age 34.357s) hex dump (first 32 bytes): 10 d5 6c 11 81 88 ff ff 08 e0 05 00 00 00 01 00 ..l............. 00 00 38 02 00 00 28 00 00 00 6b 6b 6b 6b 6b a5 ..8...(...kkkkk. backtrace: [] kmem_cache_alloc_trace+0x584/0x880 [] jffs2_sum_add_xattr_mem+0x54/0x90 [] jffs2_scan_medium.cold+0x298c/0x4794 [...] unreferenced object 0xffff8881116cd510 (size 16): comm "mount", pid 692, jiffies 4294838395 (age 34.355s) hex dump (first 16 bytes): 00 00 00 00 00 00 00 00 09 e0 60 02 00 00 6b a5 ..

Affected

23 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 5.17.3-1 (bookworm)linux 5.17.3-1 (bookworm)
linuxlinux——
linuxlinux>= e631ddba588783edd521c5a89f7b2902772fb691 < 9b0c69182f09b70779817af4dcf89780955d5c4c9b0c69182f09b70779817af4dcf89780955d5c4c
linuxlinux>= e631ddba588783edd521c5a89f7b2902772fb691 < b36bccb04e14cc0c1e2d0e92d477fe220314fad6b36bccb04e14cc0c1e2d0e92d477fe220314fad6
linuxlinux>= e631ddba588783edd521c5a89f7b2902772fb691 < e711913463af916d777a4873068f415f1fe2ad33e711913463af916d777a4873068f415f1fe2ad33
linuxlinux>= e631ddba588783edd521c5a89f7b2902772fb691 < 455f4a23490bfcbedc8e5c245c463a59b19e5ddd455f4a23490bfcbedc8e5c245c463a59b19e5ddd
linuxlinux>= e631ddba588783edd521c5a89f7b2902772fb691 < 51dbb5e36d59f62e34d462b801c1068248149cfe51dbb5e36d59f62e34d462b801c1068248149cfe
linuxlinux>= e631ddba588783edd521c5a89f7b2902772fb691 < 52ba0ab4f0a606f02a6163493378989faa1ec10a52ba0ab4f0a606f02a6163493378989faa1ec10a
linuxlinux>= e631ddba588783edd521c5a89f7b2902772fb691 < b26bbc0c122cad038831f226a4cb4de702225e16b26bbc0c122cad038831f226a4cb4de702225e16
linuxlinux>= e631ddba588783edd521c5a89f7b2902772fb691 < 82462324bf35b6b553400af1c1aa265069cee28f82462324bf35b6b553400af1c1aa265069cee28f
linuxlinux>= e631ddba588783edd521c5a89f7b2902772fb691 < 9cdd3128874f5fe759e2c4e1360ab7fb96a8d1df9cdd3128874f5fe759e2c4e1360ab7fb96a8d1df
linuxlinux_kernel>= 0 < 5.10.113-15.10.113-1
linuxlinux_kernel>= 0 < 5.17.3-15.17.3-1
linuxlinux_kernel>= 0 < 5.17.3-15.17.3-1
linuxlinux_kernel>= 0 < 5.17.3-15.17.3-1
linuxlinux_kernel>= 2.6.15 < 4.9.3114.9.311
linuxlinux_kernel>= 4.10 < 4.14.2764.14.276
linuxlinux_kernel>= 4.15 < 4.19.2384.19.238
linuxlinux_kernel>= 4.20 < 5.4.1895.4.189
linuxlinux_kernel>= 5.11 < 5.15.335.15.33
linuxlinux_kernel>= 5.16 < 5.16.195.16.19
linuxlinux_kernel>= 5.17 < 5.17.25.17.2
linuxlinux_kernel>= 5.5 < 5.10.1105.10.110

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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