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CVSS: -EPSS: 0%CPEs: 8EXPL: 0

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Skip finding free audio for unknown engine_id [WHY] ENGINE_ID_UNKNOWN = -1 and can not be used as an array index. Plus, it also means it is uninitialized and does not need free audio. [HOW] Skip and return NULL. This fixes 2 OVERRUN issues reported by Coverity. • https://git.kernel.org/stable/c/9eb4db08a808e3a3ba59193aeb84a57a6dc4d8c9 https://git.kernel.org/stable/c/eacca028a623f608607d02457122ee5284491e18 https://git.kernel.org/stable/c/ffa7bd3ca9cfa902b857d1dc9a5f46fededf86c8 https://git.kernel.org/stable/c/afaaebdee9bb9f26d9e13cc34b33bd0a7bf59488 https://git.kernel.org/stable/c/874261358d31fc772f2823604167e670983cc1ca https://git.kernel.org/stable/c/95ad20ee3c4efbb91f9a4ab08e070aa3697f5879 https://git.kernel.org/stable/c/881fb6afc0004c5e6392ae2848f825bf051dae14 https://git.kernel.org/stable/c/1357b2165d9ad94faa4c4a20d5e2ce29c •

CVSS: -EPSS: 0%CPEs: 2EXPL: 0

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Do not return negative stream id for array [WHY] resource_stream_to_stream_idx returns an array index and it return -1 when not found; however, -1 is not a valid array index number. [HOW] When this happens, call ASSERT(), and return a zero instead. This fixes an OVERRUN and an NEGATIVE_RETURNS issues reported by Coverity. • https://git.kernel.org/stable/c/a76fa9c4f0fc0aa6f517da3fa7d7c23e8a32c7d0 https://git.kernel.org/stable/c/3ac31c9a707dd1c7c890b95333182f955e9dcb57 •

CVSS: -EPSS: 0%CPEs: 2EXPL: 0

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: ASSERT when failing to find index by plane/stream id [WHY] find_disp_cfg_idx_by_plane_id and find_disp_cfg_idx_by_stream_id returns an array index and they return -1 when not found; however, -1 is not a valid index number. [HOW] When this happens, call ASSERT(), and return a positive number (which is fewer than callers' array size) instead. This fixes 4 OVERRUN and 2 NEGATIVE_RETURNS issues reported by Coverity. • https://git.kernel.org/stable/c/a9c047a5cf3135b8b66bd28fbe2c698b9cace0b3 https://git.kernel.org/stable/c/01eb50e53c1ce505bf449348d433181310288765 •

CVSS: -EPSS: 0%CPEs: 5EXPL: 0

In the Linux kernel, the following vulnerability has been resolved: igc: fix a log entry using uninitialized netdev During successful probe, igc logs this: [ 5.133667] igc 0000:01:00.0 (unnamed net_device) (uninitialized): PHC added ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ The reason is that igc_ptp_init() is called very early, even before register_netdev() has been called. So the netdev_info() call works on a partially uninitialized netdev. Fix this by calling igc_ptp_init() after register_netdev(), right after the media autosense check, just as in igb. Add a comment, just as in igb. Now the log message is fine: [ 5.200987] igc 0000:01:00.0 eth0: PHC added • https://git.kernel.org/stable/c/96839f3f588236593de36465f142b0126267f8b6 https://git.kernel.org/stable/c/98c8958980e829f023a490b9a9816ca1fe2f8b79 https://git.kernel.org/stable/c/991f036cabc3d13e886a37faeea1b6800181fdda https://git.kernel.org/stable/c/d478ec838cf2b1e1051a8709cfc744fe1c03110f https://git.kernel.org/stable/c/86167183a17e03ec77198897975e9fdfbd53cb0b •

CVSS: -EPSS: 0%CPEs: 8EXPL: 0

In the Linux kernel, the following vulnerability has been resolved: jffs2: Fix potential illegal address access in jffs2_free_inode During the stress testing of the jffs2 file system,the following abnormal printouts were found: [ 2430.649000] Unable to handle kernel paging request at virtual address 0069696969696948 [ 2430.649622] Mem abort info: [ 2430.649829] ESR = 0x96000004 [ 2430.650115] EC = 0x25: DABT (current EL), IL = 32 bits [ 2430.650564] SET = 0, FnV = 0 [ 2430.650795] EA = 0, S1PTW = 0 [ 2430.651032] FSC = 0x04: level 0 translation fault [ 2430.651446] Data abort info: [ 2430.651683] ISV = 0, ISS = 0x00000004 [ 2430.652001] CM = 0, WnR = 0 [ 2430.652558] [0069696969696948] address between user and kernel address ranges [ 2430.653265] Internal error: Oops: 96000004 [#1] PREEMPT SMP [ 2430.654512] CPU: 2 PID: 20919 Comm: cat Not tainted 5.15.25-g512f31242bf6 #33 [ 2430.655008] Hardware name: linux,dummy-virt (DT) [ 2430.655517] pstate: 20000005 (nzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 2430.656142] pc : kfree+0x78/0x348 [ 2430.656630] lr : jffs2_free_inode+0x24/0x48 [ 2430.657051] sp : ffff800009eebd10 [ 2430.657355] x29: ffff800009eebd10 x28: 0000000000000001 x27: 0000000000000000 [ 2430.658327] x26: ffff000038f09d80 x25: 0080000000000000 x24: ffff800009d38000 [ 2430.658919] x23: 5a5a5a5a5a5a5a5a x22: ffff000038f09d80 x21: ffff8000084f0d14 [ 2430.659434] x20: ffff0000bf9a6ac0 x19: 0169696969696940 x18: 0000000000000000 [ 2430.659969] x17: ffff8000b6506000 x16: ffff800009eec000 x15: 0000000000004000 [ 2430.660637] x14: 0000000000000000 x13: 00000001000820a1 x12: 00000000000d1b19 [ 2430.661345] x11: 0004000800000000 x10: 0000000000000001 x9 : ffff8000084f0d14 [ 2430.662025] x8 : ffff0000bf9a6b40 x7 : ffff0000bf9a6b48 x6 : 0000000003470302 [ 2430.662695] x5 : ffff00002e41dcc0 x4 : ffff0000bf9aa3b0 x3 : 0000000003470342 [ 2430.663486] x2 : 0000000000000000 x1 : ffff8000084f0d14 x0 : fffffc0000000000 [ 2430.664217] Call trace: [ 2430.664528] kfree+0x78/0x348 [ 2430.664855] jffs2_free_inode+0x24/0x48 [ 2430.665233] i_callback+0x24/0x50 [ 2430.665528] rcu_do_batch+0x1ac/0x448 [ 2430.665892] rcu_core+0x28c/0x3c8 [ 2430.666151] rcu_core_si+0x18/0x28 [ 2430.666473] __do_softirq+0x138/0x3cc [ 2430.666781] irq_exit+0xf0/0x110 [ 2430.667065] handle_domain_irq+0x6c/0x98 [ 2430.667447] gic_handle_irq+0xac/0xe8 [ 2430.667739] call_on_irq_stack+0x28/0x54 The parameter passed to kfree was 5a5a5a5a, which corresponds to the target field of the jffs_inode_info structure. It was found that all variables in the jffs_inode_info structure were 5a5a5a5a, except for the first member sem. It is suspected that these variables are not initialized because they were set to 5a5a5a5a during memory testing, which is meant to detect uninitialized memory.The sem variable is initialized in the function jffs2_i_init_once, while other members are initialized in the function jffs2_init_inode_info. The function jffs2_init_inode_info is called after iget_locked, but in the iget_locked function, the destroy_inode process is triggered, which releases the inode and consequently, the target member of the inode is not initialized.In concurrent high pressure scenarios, iget_locked may enter the destroy_inode branch as described in the code. Since the destroy_inode functionality of jffs2 only releases the target, the fix method is to set target to NULL in jffs2_i_init_once. • https://git.kernel.org/stable/c/b6c8b3e31eb88c85094d848a0bd8b4bafe67e4d8 https://git.kernel.org/stable/c/0b3246052e01e61a55bb3a15b76acb006759fe67 https://git.kernel.org/stable/c/6d6d94287f6365282bbf41e9a5b5281985970789 https://git.kernel.org/stable/c/5ca26334fc8a3711fed14db7f9eb1c621be4df65 https://git.kernel.org/stable/c/751987a5d8ead0cc405fad96e83ebbaa51c82dbc https://git.kernel.org/stable/c/d0bbbf31462a400bef4df33e22de91864f475455 https://git.kernel.org/stable/c/05fc1ef892f862c1197b11b288bc00f602d2df0c https://git.kernel.org/stable/c/af9a8730ddb6a4b2edd779ccc0aceb994 •