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[cbr79] Many VULNs 2025-11-20 #711

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Merged
merged 6 commits into from
Nov 21, 2025
+21 −5
Merged

[cbr79] Many VULNs 2025-11-20 #711

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42afea6
net_sched: hfsc: Fix a UAF vulnerability in class handling
bmastbergen Nov 20, 2025
6042ea9
ALSA: hda/ca0132: Fix buffer overflow in add_tuning_control
bmastbergen Nov 20, 2025
f9593cf
crypto: seqiv - Handle EBUSY correctly
bmastbergen Nov 20, 2025
72701d3
HID: core: detect and skip invalid inputs to snto32()
bmastbergen Nov 20, 2025
dc74c70
HID: core: fix shift-out-of-bounds in hid_report_raw_event
bmastbergen Nov 20, 2025
e65251e
HID: core: Harden s32ton() against conversion to 0 bits
bmastbergen Nov 5, 2025
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2 changes: 1 addition & 1 deletion crypto/seqiv.c
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Original file line number Diff line number Diff line change
Expand Up @@ -60,7 +60,7 @@ static void seqiv_aead_complete2(struct aead_givcrypt_request *req, int err)
struct aead_request *subreq = aead_givcrypt_reqctx(req);
struct crypto_aead *geniv;

if (err == -EINPROGRESS)
if (err == -EINPROGRESS || err == -EBUSY)
return;

if (err)
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13 changes: 12 additions & 1 deletion drivers/hid/hid-core.c
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Expand Up @@ -1026,6 +1026,12 @@ EXPORT_SYMBOL_GPL(hid_open_report);

static s32 snto32(__u32 value, unsigned n)
{
if (!value || !n)
return 0;

if (n > 32)
n = 32;

switch (n) {
case 8: return ((__s8)value);
case 16: return ((__s16)value);
Expand All @@ -1046,7 +1052,12 @@ EXPORT_SYMBOL_GPL(hid_snto32);

static u32 s32ton(__s32 value, unsigned n)
{
s32 a = value >> (n - 1);
s32 a;

if (!value || !n)
return 0;

a = value >> (n - 1);
if (a && a != -1)
return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
return value & ((1 << n) - 1);
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9 changes: 7 additions & 2 deletions net/sched/sch_hfsc.c
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Expand Up @@ -970,6 +970,7 @@ hfsc_change_class(struct Qdisc *sch, u32 classid, u32 parentid,

if (cl != NULL) {
int old_flags;
int len = 0;

if (parentid) {
if (cl->cl_parent &&
Expand Down Expand Up @@ -1000,9 +1001,13 @@ hfsc_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
if (usc != NULL)
hfsc_change_usc(cl, usc, cur_time);

if (cl->qdisc->q.qlen != 0)
len = qdisc_peek_len(cl->qdisc);
/* Check queue length again since some qdisc implementations
* (e.g., netem/codel) might empty the queue during the peek
* operation.
*/
if (cl->qdisc->q.qlen != 0) {
int len = qdisc_peek_len(cl->qdisc);

if (cl->cl_flags & HFSC_RSC) {
if (old_flags & HFSC_RSC)
update_ed(cl, len);
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2 changes: 1 addition & 1 deletion sound/pci/hda/patch_ca0132.c
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Expand Up @@ -4017,7 +4017,7 @@ static int add_tuning_control(struct hda_codec *codec,
}
knew.private_value =
HDA_COMPOSE_AMP_VAL(nid, 1, 0, type);
sprintf(namestr, "%s %s Volume", name, dirstr[dir]);
snprintf(namestr, sizeof(namestr), "%s %s Volume", name, dirstr[dir]);
return snd_hda_ctl_add(codec, nid, snd_ctl_new1(&knew, codec));
}

Expand Down